20145923280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{1423}}^1$

素因数の和:1555

約数の個数: 360

約数和(自身を含む): 78863785728

約数和(自身を除く): 58717862448

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, 252, 265, 280, 315, 318, 336, 360, 371, 420, 424, 477, 504, 530, 560, 630, 636, 720, 742, 795, 840, 848, 954, 1008, 1060, 1113, 1260, 1272, 1423, 1484, 1590, 1680, 1855, 1908, 2120, 2226, 2385, 2520, 2544, 2809, 2846, 2968, 3180, 3339, 3710, 3816, 4240, 4269, 4452, 4770, 5040, 5565, 5618, 5692, 5936, 6360, 6678, 7115, 7420, 7632, 8427, 8538, 8904, 9540, 9961, 11130, 11236, 11384, 12720, 12807, 13356, 14045, 14230, 14840, 16695, 16854, 17076, 17808, 19080, 19663, 19922, 21345, 22260, 22472, 22768, 25281, 25614, 26712, 28090, 28460, 29680, 29883, 33390, 33708, 34152, 38160, 39326, 39844, 42135, 42690, 44520, 44944, 49805, 50562, 51228, 53424, 56180, 56920, 58989, 59766, 64035, 66780, 67416, 68304, 75419, 78652, 79688, 84270, 85380, 89040, 89649, 98315, 99610, 101124, 102456, 112360, 113840, 117978, 119532, 126405, 128070, 133560, 134832, 149415, 150838, 157304, 159376, 168540, 170760, 176967, 179298, 196630, 199220, 202248, 204912, 224720, 226257, 235956, 239064, 252810, 256140, 267120, 294945, 298830, 301676, 314608, 337080, 341520, 353934, 358596, 377095, 393260, 398440, 404496, 448245, 452514, 471912, 478128, 505620, 512280, 527933, 589890, 597660, 603352, 674160, 678771, 707868, 717192, 754190, 786520, 796880, 884835, 896490, 905028, 943824, 1011240, 1024560, 1055866, 1131285, 1179780, 1195320, 1206704, 1357542, 1415736, 1434384, 1508380, 1573040, 1583799, 1769670, 1792980, 1810056, 2022480, 2111732, 2262570, 2359560, 2390640, 2639665, 2715084, 2831472, 3016760, 3167598, 3393855, 3539340, 3585960, 3620112, 3997207, 4223464, 4525140, 4719120, 4751397, 5279330, 5430168, 6033520, 6335196, 6787710, 7078680, 7171920, 7918995, 7994414, 8446928, 9050280, 9502794, 10558660, 10860336, 11991621, 12670392, 13575420, 14157360, 15837990, 15988828, 18100560, 19005588, 19986035, 21117320, 23756985, 23983242, 25340784, 27150840, 27980449, 31675980, 31977656, 35974863, 38011176, 39972070, 42234640, 47513970, 47966484, 54301680, 55960898, 59958105, 63351960, 63955312, 71949726, 76022352, 79944140, 83941347, 95027940, 95932968, 111921796, 119916210, 126703920, 139902245, 143899452, 159888280, 167882694, 179874315, 190055880, 191865936, 223843592, 239832420, 251824041, 279804490, 287798904, 319776560, 335765388, 359748630, 380111760, 419706735, 447687184, 479664840, 503648082, 559608980, 575597808, 671530776, 719497260, 839413470, 959329680, 1007296164, 1119217960, 1259120205, 1343061552, 1438994520, 1678826940, 2014592328, 2238435920, 2518240410, 2877989040, 3357653880, 4029184656, 5036480820, 6715307760, 10072961640, 20145923280]

約数ペア:

[(1, 20145923280), (2, 10072961640), (3, 6715307760), (4, 5036480820), (5, 4029184656), (6, 3357653880), (7, 2877989040), (8, 2518240410), (9, 2238435920), (10, 2014592328), (12, 1678826940), (14, 1438994520), (15, 1343061552), (16, 1259120205), (18, 1119217960), (20, 1007296164), (21, 959329680), (24, 839413470), (28, 719497260), (30, 671530776), (35, 575597808), (36, 559608980), (40, 503648082), (42, 479664840), (45, 447687184), (48, 419706735), (53, 380111760), (56, 359748630), (60, 335765388), (63, 319776560), (70, 287798904), (72, 279804490), (80, 251824041), (84, 239832420), (90, 223843592), (105, 191865936), (106, 190055880), (112, 179874315), (120, 167882694), (126, 159888280), (140, 143899452), (144, 139902245), (159, 126703920), (168, 119916210), (180, 111921796), (210, 95932968), (212, 95027940), (240, 83941347), (252, 79944140), (265, 76022352), (280, 71949726), (315, 63955312), (318, 63351960), (336, 59958105), (360, 55960898), (371, 54301680), (420, 47966484), (424, 47513970), (477, 42234640), (504, 39972070), (530, 38011176), (560, 35974863), (630, 31977656), (636, 31675980), (720, 27980449), (742, 27150840), (795, 25340784), (840, 23983242), (848, 23756985), (954, 21117320), (1008, 19986035), (1060, 19005588), (1113, 18100560), (1260, 15988828), (1272, 15837990), (1423, 14157360), (1484, 13575420), (1590, 12670392), (1680, 11991621), (1855, 10860336), (1908, 10558660), (2120, 9502794), (2226, 9050280), (2385, 8446928), (2520, 7994414), (2544, 7918995), (2809, 7171920), (2846, 7078680), (2968, 6787710), (3180, 6335196), (3339, 6033520), (3710, 5430168), (3816, 5279330), (4240, 4751397), (4269, 4719120), (4452, 4525140), (4770, 4223464), (5040, 3997207), (5565, 3620112), (5618, 3585960), (5692, 3539340), (5936, 3393855), (6360, 3167598), (6678, 3016760), (7115, 2831472), (7420, 2715084), (7632, 2639665), (8427, 2390640), (8538, 2359560), (8904, 2262570), (9540, 2111732), (9961, 2022480), (11130, 1810056), (11236, 1792980), (11384, 1769670), (12720, 1583799), (12807, 1573040), (13356, 1508380), (14045, 1434384), (14230, 1415736), (14840, 1357542), (16695, 1206704), (16854, 1195320), (17076, 1179780), (17808, 1131285), (19080, 1055866), (19663, 1024560), (19922, 1011240), (21345, 943824), (22260, 905028), (22472, 896490), (22768, 884835), (25281, 796880), (25614, 786520), (26712, 754190), (28090, 717192), (28460, 707868), (29680, 678771), (29883, 674160), (33390, 603352), (33708, 597660), (34152, 589890), (38160, 527933), (39326, 512280), (39844, 505620), (42135, 478128), (42690, 471912), (44520, 452514), (44944, 448245), (49805, 404496), (50562, 398440), (51228, 393260), (53424, 377095), (56180, 358596), (56920, 353934), (58989, 341520), (59766, 337080), (64035, 314608), (66780, 301676), (67416, 298830), (68304, 294945), (75419, 267120), (78652, 256140), (79688, 252810), (84270, 239064), (85380, 235956), (89040, 226257), (89649, 224720), (98315, 204912), (99610, 202248), (101124, 199220), (102456, 196630), (112360, 179298), (113840, 176967), (117978, 170760), (119532, 168540), (126405, 159376), (128070, 157304), (133560, 150838), (134832, 149415)]