87984520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 232696800

約数和(自身を除く): 144712280

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 37, 40, 52, 65, 68, 74, 85, 104, 130, 136, 148, 170, 185, 221, 260, 269, 296, 340, 370, 442, 481, 520, 538, 629, 680, 740, 884, 962, 1076, 1105, 1258, 1345, 1480, 1768, 1924, 2152, 2210, 2405, 2516, 2690, 3145, 3497, 3848, 4420, 4573, 4810, 5032, 5380, 6290, 6994, 8177, 8840, 9146, 9620, 9953, 10760, 12580, 13988, 16354, 17485, 18292, 19240, 19906, 22865, 25160, 27976, 32708, 34970, 36584, 39812, 40885, 45730, 49765, 59449, 65416, 69940, 79624, 81770, 91460, 99530, 118898, 129389, 139880, 163540, 169201, 182920, 199060, 237796, 258778, 297245, 327080, 338402, 398120, 475592, 517556, 594490, 646945, 676804, 846005, 1035112, 1188980, 1293890, 1353608, 1692010, 2199613, 2377960, 2587780, 3384020, 4399226, 5175560, 6768040, 8798452, 10998065, 17596904, 21996130, 43992260, 87984520]

約数ペア:

[(1, 87984520), (2, 43992260), (4, 21996130), (5, 17596904), (8, 10998065), (10, 8798452), (13, 6768040), (17, 5175560), (20, 4399226), (26, 3384020), (34, 2587780), (37, 2377960), (40, 2199613), (52, 1692010), (65, 1353608), (68, 1293890), (74, 1188980), (85, 1035112), (104, 846005), (130, 676804), (136, 646945), (148, 594490), (170, 517556), (185, 475592), (221, 398120), (260, 338402), (269, 327080), (296, 297245), (340, 258778), (370, 237796), (442, 199060), (481, 182920), (520, 169201), (538, 163540), (629, 139880), (680, 129389), (740, 118898), (884, 99530), (962, 91460), (1076, 81770), (1105, 79624), (1258, 69940), (1345, 65416), (1480, 59449), (1768, 49765), (1924, 45730), (2152, 40885), (2210, 39812), (2405, 36584), (2516, 34970), (2690, 32708), (3145, 27976), (3497, 25160), (3848, 22865), (4420, 19906), (4573, 19240), (4810, 18292), (5032, 17485), (5380, 16354), (6290, 13988), (6994, 12580), (8177, 10760), (8840, 9953), (9146, 9620)]