645877920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:983

約数の個数: 192

約数和(自身を含む): 2142878976

約数和(自身を除く): 1497001056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 41, 48, 60, 74, 80, 82, 96, 111, 120, 123, 148, 160, 164, 185, 205, 222, 240, 246, 296, 328, 370, 410, 444, 480, 492, 555, 592, 615, 656, 740, 820, 887, 888, 984, 1110, 1184, 1230, 1312, 1480, 1517, 1640, 1774, 1776, 1968, 2220, 2460, 2661, 2960, 3034, 3280, 3548, 3552, 3936, 4435, 4440, 4551, 4920, 5322, 5920, 6068, 6560, 7096, 7585, 8870, 8880, 9102, 9840, 10644, 12136, 13305, 14192, 15170, 17740, 17760, 18204, 19680, 21288, 22755, 24272, 26610, 28384, 30340, 32819, 35480, 36367, 36408, 42576, 45510, 48544, 53220, 60680, 65638, 70960, 72734, 72816, 85152, 91020, 98457, 106440, 109101, 121360, 131276, 141920, 145468, 145632, 164095, 181835, 182040, 196914, 212880, 218202, 242720, 262552, 290936, 328190, 363670, 364080, 393828, 425760, 436404, 492285, 525104, 545505, 581872, 656380, 727340, 728160, 787656, 872808, 984570, 1050208, 1091010, 1163744, 1312760, 1345579, 1454680, 1575312, 1745616, 1969140, 2182020, 2625520, 2691158, 2909360, 3150624, 3491232, 3938280, 4036737, 4364040, 5251040, 5382316, 5818720, 6727895, 7876560, 8073474, 8728080, 10764632, 13455790, 15753120, 16146948, 17456160, 20183685, 21529264, 26911580, 32293896, 40367370, 43058528, 53823160, 64587792, 80734740, 107646320, 129175584, 161469480, 215292640, 322938960, 645877920]

約数ペア:

[(1, 645877920), (2, 322938960), (3, 215292640), (4, 161469480), (5, 129175584), (6, 107646320), (8, 80734740), (10, 64587792), (12, 53823160), (15, 43058528), (16, 40367370), (20, 32293896), (24, 26911580), (30, 21529264), (32, 20183685), (37, 17456160), (40, 16146948), (41, 15753120), (48, 13455790), (60, 10764632), (74, 8728080), (80, 8073474), (82, 7876560), (96, 6727895), (111, 5818720), (120, 5382316), (123, 5251040), (148, 4364040), (160, 4036737), (164, 3938280), (185, 3491232), (205, 3150624), (222, 2909360), (240, 2691158), (246, 2625520), (296, 2182020), (328, 1969140), (370, 1745616), (410, 1575312), (444, 1454680), (480, 1345579), (492, 1312760), (555, 1163744), (592, 1091010), (615, 1050208), (656, 984570), (740, 872808), (820, 787656), (887, 728160), (888, 727340), (984, 656380), (1110, 581872), (1184, 545505), (1230, 525104), (1312, 492285), (1480, 436404), (1517, 425760), (1640, 393828), (1774, 364080), (1776, 363670), (1968, 328190), (2220, 290936), (2460, 262552), (2661, 242720), (2960, 218202), (3034, 212880), (3280, 196914), (3548, 182040), (3552, 181835), (3936, 164095), (4435, 145632), (4440, 145468), (4551, 141920), (4920, 131276), (5322, 121360), (5920, 109101), (6068, 106440), (6560, 98457), (7096, 91020), (7585, 85152), (8870, 72816), (8880, 72734), (9102, 70960), (9840, 65638), (10644, 60680), (12136, 53220), (13305, 48544), (14192, 45510), (15170, 42576), (17740, 36408), (17760, 36367), (18204, 35480), (19680, 32819), (21288, 30340), (22755, 28384), (24272, 26610)]