164856640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1723}}^1$

素因数の和:1776

約数の個数: 112

約数和(自身を含む): 441399168

約数和(自身を除く): 276542528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 460, 520, 598, 736, 832, 920, 1040, 1196, 1472, 1495, 1723, 1840, 2080, 2392, 2990, 3446, 3680, 4160, 4784, 5980, 6892, 7360, 8615, 9568, 11960, 13784, 17230, 19136, 22399, 23920, 27568, 34460, 39629, 44798, 47840, 55136, 68920, 79258, 89596, 95680, 110272, 111995, 137840, 158516, 179192, 198145, 223990, 275680, 317032, 358384, 396290, 447980, 515177, 551360, 634064, 716768, 792580, 895960, 1030354, 1268128, 1433536, 1585160, 1791920, 2060708, 2536256, 2575885, 3170320, 3583840, 4121416, 5151770, 6340640, 7167680, 8242832, 10303540, 12681280, 16485664, 20607080, 32971328, 41214160, 82428320, 164856640]

約数ペア:

[(1, 164856640), (2, 82428320), (4, 41214160), (5, 32971328), (8, 20607080), (10, 16485664), (13, 12681280), (16, 10303540), (20, 8242832), (23, 7167680), (26, 6340640), (32, 5151770), (40, 4121416), (46, 3583840), (52, 3170320), (64, 2575885), (65, 2536256), (80, 2060708), (92, 1791920), (104, 1585160), (115, 1433536), (130, 1268128), (160, 1030354), (184, 895960), (208, 792580), (230, 716768), (260, 634064), (299, 551360), (320, 515177), (368, 447980), (416, 396290), (460, 358384), (520, 317032), (598, 275680), (736, 223990), (832, 198145), (920, 179192), (1040, 158516), (1196, 137840), (1472, 111995), (1495, 110272), (1723, 95680), (1840, 89596), (2080, 79258), (2392, 68920), (2990, 55136), (3446, 47840), (3680, 44798), (4160, 39629), (4784, 34460), (5980, 27568), (6892, 23920), (7360, 22399), (8615, 19136), (9568, 17230), (11960, 13784)]