67389920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 173365920

約数和(自身を除く): 105976000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 179, 181, 208, 260, 358, 362, 416, 520, 716, 724, 895, 905, 1040, 1432, 1448, 1790, 1810, 2080, 2327, 2353, 2864, 2896, 3580, 3620, 4654, 4706, 5728, 5792, 7160, 7240, 9308, 9412, 11635, 11765, 14320, 14480, 18616, 18824, 23270, 23530, 28640, 28960, 32399, 37232, 37648, 46540, 47060, 64798, 74464, 75296, 93080, 94120, 129596, 161995, 186160, 188240, 259192, 323990, 372320, 376480, 421187, 518384, 647980, 842374, 1036768, 1295960, 1684748, 2105935, 2591920, 3369496, 4211870, 5183840, 6738992, 8423740, 13477984, 16847480, 33694960, 67389920]

約数ペア:

[(1, 67389920), (2, 33694960), (4, 16847480), (5, 13477984), (8, 8423740), (10, 6738992), (13, 5183840), (16, 4211870), (20, 3369496), (26, 2591920), (32, 2105935), (40, 1684748), (52, 1295960), (65, 1036768), (80, 842374), (104, 647980), (130, 518384), (160, 421187), (179, 376480), (181, 372320), (208, 323990), (260, 259192), (358, 188240), (362, 186160), (416, 161995), (520, 129596), (716, 94120), (724, 93080), (895, 75296), (905, 74464), (1040, 64798), (1432, 47060), (1448, 46540), (1790, 37648), (1810, 37232), (2080, 32399), (2327, 28960), (2353, 28640), (2864, 23530), (2896, 23270), (3580, 18824), (3620, 18616), (4654, 14480), (4706, 14320), (5728, 11765), (5792, 11635), (7160, 9412), (7240, 9308)]