20851654320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:641

約数の個数: 480

約数和(自身を含む): 82128743424

約数和(自身を除く): 61277089104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 80, 84, 90, 105, 106, 112, 120, 126, 140, 144, 159, 168, 180, 210, 212, 240, 251, 252, 265, 280, 311, 315, 318, 336, 360, 371, 420, 424, 477, 502, 504, 530, 560, 622, 630, 636, 720, 742, 753, 795, 840, 848, 933, 954, 1004, 1008, 1060, 1113, 1244, 1255, 1260, 1272, 1484, 1506, 1555, 1590, 1680, 1757, 1855, 1866, 1908, 2008, 2120, 2177, 2226, 2259, 2385, 2488, 2510, 2520, 2544, 2799, 2968, 3012, 3110, 3180, 3339, 3514, 3710, 3732, 3765, 3816, 4016, 4240, 4354, 4452, 4518, 4665, 4770, 4976, 5020, 5040, 5271, 5565, 5598, 5936, 6024, 6220, 6360, 6531, 6678, 7028, 7420, 7464, 7530, 7632, 8708, 8785, 8904, 9036, 9330, 9540, 10040, 10542, 10885, 11130, 11196, 11295, 12048, 12440, 12720, 13062, 13303, 13356, 13995, 14056, 14840, 14928, 15060, 15813, 16483, 16695, 17416, 17570, 17808, 18072, 18660, 19080, 19593, 20080, 21084, 21770, 22260, 22392, 22590, 24880, 26124, 26355, 26606, 26712, 27990, 28112, 29680, 30120, 31626, 32655, 32966, 33390, 34832, 35140, 36144, 37320, 38160, 39186, 39909, 42168, 43540, 44520, 44784, 45180, 49449, 52248, 52710, 53212, 53424, 55980, 60240, 63252, 65310, 65932, 66515, 66780, 70280, 74640, 78061, 78372, 79065, 79818, 82415, 84336, 87080, 89040, 90360, 93121, 97965, 98898, 104496, 105420, 106424, 111960, 115381, 119727, 126504, 130620, 131864, 133030, 133560, 140560, 148347, 156122, 156744, 158130, 159636, 164830, 174160, 180720, 186242, 195930, 197796, 199545, 210840, 212848, 223920, 230762, 234183, 239454, 247245, 253008, 261240, 263728, 266060, 267120, 279363, 296694, 312244, 313488, 316260, 319272, 329660, 346143, 372484, 390305, 391860, 395592, 399090, 421680, 461524, 465605, 468366, 478908, 494490, 522480, 532120, 546427, 558726, 576905, 593388, 598635, 624488, 632520, 638544, 659320, 692286, 702549, 741735, 744968, 780610, 783720, 791184, 798180, 838089, 923048, 931210, 936732, 957816, 988980, 1038429, 1064240, 1092854, 1117452, 1153810, 1170915, 1186776, 1197270, 1248976, 1265040, 1318640, 1384572, 1396815, 1405098, 1483470, 1489936, 1561220, 1567440, 1596360, 1639281, 1676178, 1730715, 1846096, 1862420, 1873464, 1915632, 1977960, 2076858, 2185708, 2234904, 2307620, 2341830, 2373552, 2394540, 2732135, 2769144, 2793630, 2810196, 2966940, 3122440, 3192720, 3278562, 3352356, 3461430, 3512745, 3724840, 3746928, 3955920, 4137233, 4153716, 4190445, 4371416, 4469808, 4615240, 4683660, 4789080, 4917843, 5192145, 5464270, 5538288, 5587260, 5620392, 5933880, 6244880, 6557124, 6704712, 6922860, 7025490, 7449680, 8196405, 8274466, 8307432, 8380890, 8742832, 9230480, 9367320, 9578160, 9835686, 10384290, 10928540, 11174520, 11240784, 11867760, 12411699, 13114248, 13409424, 13845720, 14050980, 16392810, 16548932, 16614864, 16761780, 18734640, 19671372, 20686165, 20768580, 21857080, 22349040, 24589215, 24823398, 26228496, 27691440, 28101960, 28960631, 32785620, 33097864, 33523560, 37235097, 39342744, 41372330, 41537160, 43714160, 49178430, 49646796, 56203920, 57921262, 62058495, 65571240, 66195728, 67047120, 74470194, 78685488, 82744660, 83074320, 86881893, 98356860, 99293592, 115842524, 124116990, 131142480, 144803155, 148940388, 165489320, 173763786, 186175485, 196713720, 198587184, 231685048, 248233980, 260645679, 289606310, 297880776, 330978640, 347527572, 372350970, 393427440, 434409465, 463370096, 496467960, 521291358, 579212620, 595761552, 695055144, 744701940, 868818930, 992935920, 1042582716, 1158425240, 1303228395, 1390110288, 1489403880, 1737637860, 2085165432, 2316850480, 2606456790, 2978807760, 3475275720, 4170330864, 5212913580, 6950551440, 10425827160, 20851654320]

約数ペア:

[(1, 20851654320), (2, 10425827160), (3, 6950551440), (4, 5212913580), (5, 4170330864), (6, 3475275720), (7, 2978807760), (8, 2606456790), (9, 2316850480), (10, 2085165432), (12, 1737637860), (14, 1489403880), (15, 1390110288), (16, 1303228395), (18, 1158425240), (20, 1042582716), (21, 992935920), (24, 868818930), (28, 744701940), (30, 695055144), (35, 595761552), (36, 579212620), (40, 521291358), (42, 496467960), (45, 463370096), (48, 434409465), (53, 393427440), (56, 372350970), (60, 347527572), (63, 330978640), (70, 297880776), (72, 289606310), (80, 260645679), (84, 248233980), (90, 231685048), (105, 198587184), (106, 196713720), (112, 186175485), (120, 173763786), (126, 165489320), (140, 148940388), (144, 144803155), (159, 131142480), (168, 124116990), (180, 115842524), (210, 99293592), (212, 98356860), (240, 86881893), (251, 83074320), (252, 82744660), (265, 78685488), (280, 74470194), (311, 67047120), (315, 66195728), (318, 65571240), (336, 62058495), (360, 57921262), (371, 56203920), (420, 49646796), (424, 49178430), (477, 43714160), (502, 41537160), (504, 41372330), (530, 39342744), (560, 37235097), (622, 33523560), (630, 33097864), (636, 32785620), (720, 28960631), (742, 28101960), (753, 27691440), (795, 26228496), (840, 24823398), (848, 24589215), (933, 22349040), (954, 21857080), (1004, 20768580), (1008, 20686165), (1060, 19671372), (1113, 18734640), (1244, 16761780), (1255, 16614864), (1260, 16548932), (1272, 16392810), (1484, 14050980), (1506, 13845720), (1555, 13409424), (1590, 13114248), (1680, 12411699), (1757, 11867760), (1855, 11240784), (1866, 11174520), (1908, 10928540), (2008, 10384290), (2120, 9835686), (2177, 9578160), (2226, 9367320), (2259, 9230480), (2385, 8742832), (2488, 8380890), (2510, 8307432), (2520, 8274466), (2544, 8196405), (2799, 7449680), (2968, 7025490), (3012, 6922860), (3110, 6704712), (3180, 6557124), (3339, 6244880), (3514, 5933880), (3710, 5620392), (3732, 5587260), (3765, 5538288), (3816, 5464270), (4016, 5192145), (4240, 4917843), (4354, 4789080), (4452, 4683660), (4518, 4615240), (4665, 4469808), (4770, 4371416), (4976, 4190445), (5020, 4153716), (5040, 4137233), (5271, 3955920), (5565, 3746928), (5598, 3724840), (5936, 3512745), (6024, 3461430), (6220, 3352356), (6360, 3278562), (6531, 3192720), (6678, 3122440), (7028, 2966940), (7420, 2810196), (7464, 2793630), (7530, 2769144), (7632, 2732135), (8708, 2394540), (8785, 2373552), (8904, 2341830), (9036, 2307620), (9330, 2234904), (9540, 2185708), (10040, 2076858), (10542, 1977960), (10885, 1915632), (11130, 1873464), (11196, 1862420), (11295, 1846096), (12048, 1730715), (12440, 1676178), (12720, 1639281), (13062, 1596360), (13303, 1567440), (13356, 1561220), (13995, 1489936), (14056, 1483470), (14840, 1405098), (14928, 1396815), (15060, 1384572), (15813, 1318640), (16483, 1265040), (16695, 1248976), (17416, 1197270), (17570, 1186776), (17808, 1170915), (18072, 1153810), (18660, 1117452), (19080, 1092854), (19593, 1064240), (20080, 1038429), (21084, 988980), (21770, 957816), (22260, 936732), (22392, 931210), (22590, 923048), (24880, 838089), (26124, 798180), (26355, 791184), (26606, 783720), (26712, 780610), (27990, 744968), (28112, 741735), (29680, 702549), (30120, 692286), (31626, 659320), (32655, 638544), (32966, 632520), (33390, 624488), (34832, 598635), (35140, 593388), (36144, 576905), (37320, 558726), (38160, 546427), (39186, 532120), (39909, 522480), (42168, 494490), (43540, 478908), (44520, 468366), (44784, 465605), (45180, 461524), (49449, 421680), (52248, 399090), (52710, 395592), (53212, 391860), (53424, 390305), (55980, 372484), (60240, 346143), (63252, 329660), (65310, 319272), (65932, 316260), (66515, 313488), (66780, 312244), (70280, 296694), (74640, 279363), (78061, 267120), (78372, 266060), (79065, 263728), (79818, 261240), (82415, 253008), (84336, 247245), (87080, 239454), (89040, 234183), (90360, 230762), (93121, 223920), (97965, 212848), (98898, 210840), (104496, 199545), (105420, 197796), (106424, 195930), (111960, 186242), (115381, 180720), (119727, 174160), (126504, 164830), (130620, 159636), (131864, 158130), (133030, 156744), (133560, 156122), (140560, 148347)]