20686577760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2843}}^1$

素因数の和:3058

約数の個数: 288

約数和(自身を含む): 73342983168

約数和(自身を除く): 52656405408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 163, 180, 186, 240, 248, 279, 288, 310, 326, 360, 372, 465, 480, 489, 496, 558, 620, 652, 720, 744, 815, 930, 978, 992, 1116, 1240, 1304, 1395, 1440, 1467, 1488, 1630, 1860, 1956, 2232, 2445, 2480, 2608, 2790, 2843, 2934, 2976, 3260, 3720, 3912, 4464, 4890, 4960, 5053, 5216, 5580, 5686, 5868, 6520, 7335, 7440, 7824, 8529, 8928, 9780, 10106, 11160, 11372, 11736, 13040, 14215, 14670, 14880, 15159, 15648, 17058, 19560, 20212, 22320, 22744, 23472, 25265, 25587, 26080, 28430, 29340, 30318, 34116, 39120, 40424, 42645, 44640, 45477, 45488, 46944, 50530, 51174, 56860, 58680, 60636, 68232, 75795, 78240, 80848, 85290, 88133, 90954, 90976, 101060, 102348, 113720, 117360, 121272, 127935, 136464, 151590, 161696, 170580, 176266, 181908, 202120, 204696, 227385, 227440, 234720, 242544, 255870, 264399, 272928, 303180, 341160, 352532, 363816, 404240, 409392, 440665, 454770, 454880, 463409, 485088, 511740, 528798, 606360, 682320, 705064, 727632, 793197, 808480, 818784, 881330, 909540, 926818, 1023480, 1057596, 1212720, 1321995, 1364640, 1390227, 1410128, 1455264, 1586394, 1762660, 1819080, 1853636, 2046960, 2115192, 2317045, 2425440, 2643990, 2780454, 2820256, 3172788, 3525320, 3638160, 3707272, 3965985, 4093920, 4170681, 4230384, 4634090, 5287980, 5560908, 6345576, 6951135, 7050640, 7276320, 7414544, 7931970, 8341362, 8460768, 9268180, 10575960, 11121816, 12691152, 13902270, 14101280, 14365679, 14829088, 15863940, 16682724, 18536360, 20853405, 21151920, 22243632, 25382304, 27804540, 28731358, 31727880, 33365448, 37072720, 41706810, 42303840, 43097037, 44487264, 55609080, 57462716, 63455760, 66730896, 71828395, 74145440, 83413620, 86194074, 111218160, 114925432, 126911520, 129291111, 133461792, 143656790, 166827240, 172388148, 215485185, 222436320, 229850864, 258582222, 287313580, 333654480, 344776296, 430970370, 459701728, 517164444, 574627160, 646455555, 667308960, 689552592, 861940740, 1034328888, 1149254320, 1292911110, 1379105184, 1723881480, 2068657776, 2298508640, 2585822220, 3447762960, 4137315552, 5171644440, 6895525920, 10343288880, 20686577760]

約数ペア:

[(1, 20686577760), (2, 10343288880), (3, 6895525920), (4, 5171644440), (5, 4137315552), (6, 3447762960), (8, 2585822220), (9, 2298508640), (10, 2068657776), (12, 1723881480), (15, 1379105184), (16, 1292911110), (18, 1149254320), (20, 1034328888), (24, 861940740), (30, 689552592), (31, 667308960), (32, 646455555), (36, 574627160), (40, 517164444), (45, 459701728), (48, 430970370), (60, 344776296), (62, 333654480), (72, 287313580), (80, 258582222), (90, 229850864), (93, 222436320), (96, 215485185), (120, 172388148), (124, 166827240), (144, 143656790), (155, 133461792), (160, 129291111), (163, 126911520), (180, 114925432), (186, 111218160), (240, 86194074), (248, 83413620), (279, 74145440), (288, 71828395), (310, 66730896), (326, 63455760), (360, 57462716), (372, 55609080), (465, 44487264), (480, 43097037), (489, 42303840), (496, 41706810), (558, 37072720), (620, 33365448), (652, 31727880), (720, 28731358), (744, 27804540), (815, 25382304), (930, 22243632), (978, 21151920), (992, 20853405), (1116, 18536360), (1240, 16682724), (1304, 15863940), (1395, 14829088), (1440, 14365679), (1467, 14101280), (1488, 13902270), (1630, 12691152), (1860, 11121816), (1956, 10575960), (2232, 9268180), (2445, 8460768), (2480, 8341362), (2608, 7931970), (2790, 7414544), (2843, 7276320), (2934, 7050640), (2976, 6951135), (3260, 6345576), (3720, 5560908), (3912, 5287980), (4464, 4634090), (4890, 4230384), (4960, 4170681), (5053, 4093920), (5216, 3965985), (5580, 3707272), (5686, 3638160), (5868, 3525320), (6520, 3172788), (7335, 2820256), (7440, 2780454), (7824, 2643990), (8529, 2425440), (8928, 2317045), (9780, 2115192), (10106, 2046960), (11160, 1853636), (11372, 1819080), (11736, 1762660), (13040, 1586394), (14215, 1455264), (14670, 1410128), (14880, 1390227), (15159, 1364640), (15648, 1321995), (17058, 1212720), (19560, 1057596), (20212, 1023480), (22320, 926818), (22744, 909540), (23472, 881330), (25265, 818784), (25587, 808480), (26080, 793197), (28430, 727632), (29340, 705064), (30318, 682320), (34116, 606360), (39120, 528798), (40424, 511740), (42645, 485088), (44640, 463409), (45477, 454880), (45488, 454770), (46944, 440665), (50530, 409392), (51174, 404240), (56860, 363816), (58680, 352532), (60636, 341160), (68232, 303180), (75795, 272928), (78240, 264399), (80848, 255870), (85290, 242544), (88133, 234720), (90954, 227440), (90976, 227385), (101060, 204696), (102348, 202120), (113720, 181908), (117360, 176266), (121272, 170580), (127935, 161696), (136464, 151590)]