15491080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 42768000

約数和(自身を除く): 27276920

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 95, 109, 110, 136, 152, 170, 187, 190, 209, 218, 220, 323, 340, 374, 380, 418, 436, 440, 545, 646, 680, 748, 760, 836, 872, 935, 1045, 1090, 1199, 1292, 1496, 1615, 1672, 1853, 1870, 2071, 2090, 2180, 2398, 2584, 3230, 3553, 3706, 3740, 4142, 4180, 4360, 4796, 5995, 6460, 7106, 7412, 7480, 8284, 8360, 9265, 9592, 10355, 11990, 12920, 14212, 14824, 16568, 17765, 18530, 20383, 20710, 22781, 23980, 28424, 35207, 35530, 37060, 40766, 41420, 45562, 47960, 70414, 71060, 74120, 81532, 82840, 91124, 101915, 113905, 140828, 142120, 163064, 176035, 182248, 203830, 227810, 281656, 352070, 387277, 407660, 455620, 704140, 774554, 815320, 911240, 1408280, 1549108, 1936385, 3098216, 3872770, 7745540, 15491080]

約数ペア:

[(1, 15491080), (2, 7745540), (4, 3872770), (5, 3098216), (8, 1936385), (10, 1549108), (11, 1408280), (17, 911240), (19, 815320), (20, 774554), (22, 704140), (34, 455620), (38, 407660), (40, 387277), (44, 352070), (55, 281656), (68, 227810), (76, 203830), (85, 182248), (88, 176035), (95, 163064), (109, 142120), (110, 140828), (136, 113905), (152, 101915), (170, 91124), (187, 82840), (190, 81532), (209, 74120), (218, 71060), (220, 70414), (323, 47960), (340, 45562), (374, 41420), (380, 40766), (418, 37060), (436, 35530), (440, 35207), (545, 28424), (646, 23980), (680, 22781), (748, 20710), (760, 20383), (836, 18530), (872, 17765), (935, 16568), (1045, 14824), (1090, 14212), (1199, 12920), (1292, 11990), (1496, 10355), (1615, 9592), (1672, 9265), (1853, 8360), (1870, 8284), (2071, 7480), (2090, 7412), (2180, 7106), (2398, 6460), (2584, 5995), (3230, 4796), (3553, 4360), (3706, 4180), (3740, 4142)]