87528440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 216442800

約数和(自身を除く): 128914360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 53, 76, 82, 95, 106, 152, 164, 190, 205, 212, 265, 328, 380, 410, 424, 530, 760, 779, 820, 1007, 1060, 1558, 1640, 2014, 2120, 2173, 2809, 3116, 3895, 4028, 4346, 5035, 5618, 6232, 7790, 8056, 8692, 10070, 10865, 11236, 14045, 15580, 17384, 20140, 21730, 22472, 28090, 31160, 40280, 41287, 43460, 53371, 56180, 82574, 86920, 106742, 112360, 115169, 165148, 206435, 213484, 230338, 266855, 330296, 412870, 426968, 460676, 533710, 575845, 825740, 921352, 1067420, 1151690, 1651480, 2134840, 2188211, 2303380, 4376422, 4606760, 8752844, 10941055, 17505688, 21882110, 43764220, 87528440]

約数ペア:

[(1, 87528440), (2, 43764220), (4, 21882110), (5, 17505688), (8, 10941055), (10, 8752844), (19, 4606760), (20, 4376422), (38, 2303380), (40, 2188211), (41, 2134840), (53, 1651480), (76, 1151690), (82, 1067420), (95, 921352), (106, 825740), (152, 575845), (164, 533710), (190, 460676), (205, 426968), (212, 412870), (265, 330296), (328, 266855), (380, 230338), (410, 213484), (424, 206435), (530, 165148), (760, 115169), (779, 112360), (820, 106742), (1007, 86920), (1060, 82574), (1558, 56180), (1640, 53371), (2014, 43460), (2120, 41287), (2173, 40280), (2809, 31160), (3116, 28090), (3895, 22472), (4028, 21730), (4346, 20140), (5035, 17384), (5618, 15580), (6232, 14045), (7790, 11236), (8056, 10865), (8692, 10070)]