215876250

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:678

約数の個数: 120

約数和(自身を含む): 604306560

約数和(自身を除く): 388430310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 125, 150, 155, 186, 225, 250, 279, 310, 375, 450, 465, 558, 619, 625, 750, 775, 930, 1125, 1238, 1250, 1395, 1550, 1857, 1875, 2250, 2325, 2790, 3095, 3714, 3750, 3875, 4650, 5571, 5625, 6190, 6975, 7750, 9285, 11142, 11250, 11625, 13950, 15475, 18570, 19189, 19375, 23250, 27855, 30950, 34875, 38378, 38750, 46425, 55710, 57567, 58125, 69750, 77375, 92850, 95945, 115134, 116250, 139275, 154750, 172701, 174375, 191890, 232125, 278550, 287835, 345402, 348750, 386875, 464250, 479725, 575670, 696375, 773750, 863505, 959450, 1160625, 1392750, 1439175, 1727010, 2321250, 2398625, 2878350, 3481875, 4317525, 4797250, 6963750, 7195875, 8635050, 11993125, 14391750, 21587625, 23986250, 35979375, 43175250, 71958750, 107938125, 215876250]

約数ペア:

[(1, 215876250), (2, 107938125), (3, 71958750), (5, 43175250), (6, 35979375), (9, 23986250), (10, 21587625), (15, 14391750), (18, 11993125), (25, 8635050), (30, 7195875), (31, 6963750), (45, 4797250), (50, 4317525), (62, 3481875), (75, 2878350), (90, 2398625), (93, 2321250), (125, 1727010), (150, 1439175), (155, 1392750), (186, 1160625), (225, 959450), (250, 863505), (279, 773750), (310, 696375), (375, 575670), (450, 479725), (465, 464250), (558, 386875), (619, 348750), (625, 345402), (750, 287835), (775, 278550), (930, 232125), (1125, 191890), (1238, 174375), (1250, 172701), (1395, 154750), (1550, 139275), (1857, 116250), (1875, 115134), (2250, 95945), (2325, 92850), (2790, 77375), (3095, 69750), (3714, 58125), (3750, 57567), (3875, 55710), (4650, 46425), (5571, 38750), (5625, 38378), (6190, 34875), (6975, 30950), (7750, 27855), (9285, 23250), (11142, 19375), (11250, 19189), (11625, 18570), (13950, 15475)]