20165393360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 360

約数和(自身を含む): 57987045288

約数和(自身を除く): 37821651928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 53, 56, 62, 70, 80, 98, 101, 106, 112, 124, 140, 155, 196, 202, 212, 217, 245, 248, 265, 280, 310, 371, 392, 404, 424, 434, 490, 496, 505, 530, 560, 620, 707, 742, 784, 808, 848, 868, 961, 980, 1010, 1060, 1085, 1240, 1414, 1484, 1519, 1616, 1643, 1736, 1855, 1922, 1960, 2020, 2120, 2170, 2480, 2597, 2828, 2968, 3038, 3131, 3286, 3472, 3535, 3710, 3844, 3920, 4040, 4240, 4340, 4805, 4949, 5194, 5353, 5656, 5936, 6076, 6262, 6572, 6727, 7070, 7420, 7595, 7688, 8080, 8215, 8680, 9610, 9898, 10388, 10706, 11312, 11501, 12152, 12524, 12985, 13144, 13454, 14140, 14840, 15190, 15376, 15655, 16430, 17360, 19220, 19796, 20776, 21412, 21917, 23002, 24304, 24745, 25048, 25970, 26288, 26765, 26908, 28280, 29680, 30380, 31310, 32860, 33635, 37471, 38440, 39592, 41552, 42824, 43834, 46004, 47089, 49490, 50096, 50933, 51940, 53530, 53816, 56560, 57505, 60760, 62620, 65720, 67270, 74942, 76880, 79184, 80507, 85648, 87668, 92008, 94178, 97061, 98980, 101866, 103880, 107060, 107632, 109585, 115010, 121520, 125240, 131440, 134540, 149884, 153419, 161014, 165943, 175336, 184016, 187355, 188356, 194122, 197960, 203732, 207760, 214120, 219170, 230020, 235445, 250480, 254665, 262297, 269080, 299768, 306838, 322028, 331886, 350672, 356531, 374710, 376712, 388244, 395920, 402535, 407464, 428240, 438340, 460040, 470890, 485305, 509330, 524594, 538160, 599536, 613676, 644056, 663772, 679427, 713062, 749420, 753424, 767095, 776488, 805070, 814928, 829715, 876680, 920080, 941780, 970610, 1018660, 1049188, 1161601, 1227352, 1288112, 1311485, 1327544, 1358854, 1426124, 1498840, 1534190, 1552976, 1610140, 1659430, 1753360, 1782655, 1883560, 1941220, 2037320, 2098376, 2323202, 2454704, 2495717, 2622970, 2655088, 2717708, 2852248, 2997680, 3068380, 3220280, 3318860, 3397135, 3565310, 3767120, 3882440, 4074640, 4196752, 4646404, 4755989, 4991434, 5144233, 5245940, 5435416, 5704496, 5808005, 6136760, 6440560, 6637720, 6794270, 7130620, 7764880, 8131207, 9292808, 9511978, 9982868, 10288466, 10491880, 10870832, 11616010, 12273520, 12478585, 13275440, 13588540, 14261240, 16262414, 18585616, 19023956, 19965736, 20576932, 20983760, 23232020, 23779945, 24957170, 25721165, 27177080, 28522480, 32524828, 36009631, 38047912, 39931472, 40656035, 41153864, 46464040, 47559890, 49914340, 51442330, 54354160, 65049656, 72019262, 76095824, 81312070, 82307728, 92928080, 95119780, 99828680, 102884660, 130099312, 144038524, 162624140, 180048155, 190239560, 199657360, 205769320, 252067417, 288077048, 325248280, 360096310, 380479120, 411538640, 504134834, 576154096, 650496560, 720192620, 1008269668, 1260337085, 1440385240, 2016539336, 2520674170, 2880770480, 4033078672, 5041348340, 10082696680, 20165393360]

約数ペア:

[(1, 20165393360), (2, 10082696680), (4, 5041348340), (5, 4033078672), (7, 2880770480), (8, 2520674170), (10, 2016539336), (14, 1440385240), (16, 1260337085), (20, 1008269668), (28, 720192620), (31, 650496560), (35, 576154096), (40, 504134834), (49, 411538640), (53, 380479120), (56, 360096310), (62, 325248280), (70, 288077048), (80, 252067417), (98, 205769320), (101, 199657360), (106, 190239560), (112, 180048155), (124, 162624140), (140, 144038524), (155, 130099312), (196, 102884660), (202, 99828680), (212, 95119780), (217, 92928080), (245, 82307728), (248, 81312070), (265, 76095824), (280, 72019262), (310, 65049656), (371, 54354160), (392, 51442330), (404, 49914340), (424, 47559890), (434, 46464040), (490, 41153864), (496, 40656035), (505, 39931472), (530, 38047912), (560, 36009631), (620, 32524828), (707, 28522480), (742, 27177080), (784, 25721165), (808, 24957170), (848, 23779945), (868, 23232020), (961, 20983760), (980, 20576932), (1010, 19965736), (1060, 19023956), (1085, 18585616), (1240, 16262414), (1414, 14261240), (1484, 13588540), (1519, 13275440), (1616, 12478585), (1643, 12273520), (1736, 11616010), (1855, 10870832), (1922, 10491880), (1960, 10288466), (2020, 9982868), (2120, 9511978), (2170, 9292808), (2480, 8131207), (2597, 7764880), (2828, 7130620), (2968, 6794270), (3038, 6637720), (3131, 6440560), (3286, 6136760), (3472, 5808005), (3535, 5704496), (3710, 5435416), (3844, 5245940), (3920, 5144233), (4040, 4991434), (4240, 4755989), (4340, 4646404), (4805, 4196752), (4949, 4074640), (5194, 3882440), (5353, 3767120), (5656, 3565310), (5936, 3397135), (6076, 3318860), (6262, 3220280), (6572, 3068380), (6727, 2997680), (7070, 2852248), (7420, 2717708), (7595, 2655088), (7688, 2622970), (8080, 2495717), (8215, 2454704), (8680, 2323202), (9610, 2098376), (9898, 2037320), (10388, 1941220), (10706, 1883560), (11312, 1782655), (11501, 1753360), (12152, 1659430), (12524, 1610140), (12985, 1552976), (13144, 1534190), (13454, 1498840), (14140, 1426124), (14840, 1358854), (15190, 1327544), (15376, 1311485), (15655, 1288112), (16430, 1227352), (17360, 1161601), (19220, 1049188), (19796, 1018660), (20776, 970610), (21412, 941780), (21917, 920080), (23002, 876680), (24304, 829715), (24745, 814928), (25048, 805070), (25970, 776488), (26288, 767095), (26765, 753424), (26908, 749420), (28280, 713062), (29680, 679427), (30380, 663772), (31310, 644056), (32860, 613676), (33635, 599536), (37471, 538160), (38440, 524594), (39592, 509330), (41552, 485305), (42824, 470890), (43834, 460040), (46004, 438340), (47089, 428240), (49490, 407464), (50096, 402535), (50933, 395920), (51940, 388244), (53530, 376712), (53816, 374710), (56560, 356531), (57505, 350672), (60760, 331886), (62620, 322028), (65720, 306838), (67270, 299768), (74942, 269080), (76880, 262297), (79184, 254665), (80507, 250480), (85648, 235445), (87668, 230020), (92008, 219170), (94178, 214120), (97061, 207760), (98980, 203732), (101866, 197960), (103880, 194122), (107060, 188356), (107632, 187355), (109585, 184016), (115010, 175336), (121520, 165943), (125240, 161014), (131440, 153419), (134540, 149884)]