2157002820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{6317}}^1$

素因数の和:6610

約数の個数: 144

約数和(自身を含む): 7506390528

約数和(自身を除く): 5349387708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 271, 315, 420, 542, 630, 813, 1084, 1260, 1355, 1626, 1897, 2439, 2710, 3252, 3794, 4065, 4878, 5420, 5691, 6317, 7588, 8130, 9485, 9756, 11382, 12195, 12634, 16260, 17073, 18951, 18970, 22764, 24390, 25268, 28455, 31585, 34146, 37902, 37940, 44219, 48780, 56853, 56910, 63170, 68292, 75804, 85365, 88438, 94755, 113706, 113820, 126340, 132657, 170730, 176876, 189510, 221095, 227412, 265314, 284265, 341460, 379020, 397971, 442190, 530628, 568530, 663285, 795942, 884380, 1137060, 1326570, 1591884, 1711907, 1989855, 2653140, 3423814, 3979710, 5135721, 6847628, 7959420, 8559535, 10271442, 11983349, 15407163, 17119070, 20542884, 23966698, 25678605, 30814326, 34238140, 35950047, 47933396, 51357210, 59916745, 61628652, 71900094, 77035815, 102714420, 107850141, 119833490, 143800188, 154071630, 179750235, 215700282, 239666980, 308143260, 359500470, 431400564, 539250705, 719000940, 1078501410, 2157002820]

約数ペア:

[(1, 2157002820), (2, 1078501410), (3, 719000940), (4, 539250705), (5, 431400564), (6, 359500470), (7, 308143260), (9, 239666980), (10, 215700282), (12, 179750235), (14, 154071630), (15, 143800188), (18, 119833490), (20, 107850141), (21, 102714420), (28, 77035815), (30, 71900094), (35, 61628652), (36, 59916745), (42, 51357210), (45, 47933396), (60, 35950047), (63, 34238140), (70, 30814326), (84, 25678605), (90, 23966698), (105, 20542884), (126, 17119070), (140, 15407163), (180, 11983349), (210, 10271442), (252, 8559535), (271, 7959420), (315, 6847628), (420, 5135721), (542, 3979710), (630, 3423814), (813, 2653140), (1084, 1989855), (1260, 1711907), (1355, 1591884), (1626, 1326570), (1897, 1137060), (2439, 884380), (2710, 795942), (3252, 663285), (3794, 568530), (4065, 530628), (4878, 442190), (5420, 397971), (5691, 379020), (6317, 341460), (7588, 284265), (8130, 265314), (9485, 227412), (9756, 221095), (11382, 189510), (12195, 176876), (12634, 170730), (16260, 132657), (17073, 126340), (18951, 113820), (18970, 113706), (22764, 94755), (24390, 88438), (25268, 85365), (28455, 75804), (31585, 68292), (34146, 63170), (37902, 56910), (37940, 56853), (44219, 48780)]