87913760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 241315200

約数和(自身を除く): 153401440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 160, 176, 190, 209, 220, 239, 242, 304, 352, 380, 418, 440, 478, 484, 605, 608, 760, 836, 880, 956, 968, 1045, 1195, 1210, 1520, 1672, 1760, 1912, 1936, 2090, 2299, 2390, 2420, 2629, 3040, 3344, 3824, 3872, 4180, 4541, 4598, 4780, 4840, 5258, 6688, 7648, 8360, 9082, 9196, 9560, 9680, 10516, 11495, 13145, 16720, 18164, 18392, 19120, 19360, 21032, 22705, 22990, 26290, 28919, 33440, 36328, 36784, 38240, 42064, 45410, 45980, 49951, 52580, 57838, 72656, 73568, 84128, 90820, 91960, 99902, 105160, 115676, 144595, 145312, 181640, 183920, 199804, 210320, 231352, 249755, 289190, 363280, 367840, 399608, 420640, 462704, 499510, 549461, 578380, 726560, 799216, 925408, 999020, 1098922, 1156760, 1598432, 1998040, 2197844, 2313520, 2747305, 3996080, 4395688, 4627040, 5494610, 7992160, 8791376, 10989220, 17582752, 21978440, 43956880, 87913760]

約数ペア:

[(1, 87913760), (2, 43956880), (4, 21978440), (5, 17582752), (8, 10989220), (10, 8791376), (11, 7992160), (16, 5494610), (19, 4627040), (20, 4395688), (22, 3996080), (32, 2747305), (38, 2313520), (40, 2197844), (44, 1998040), (55, 1598432), (76, 1156760), (80, 1098922), (88, 999020), (95, 925408), (110, 799216), (121, 726560), (152, 578380), (160, 549461), (176, 499510), (190, 462704), (209, 420640), (220, 399608), (239, 367840), (242, 363280), (304, 289190), (352, 249755), (380, 231352), (418, 210320), (440, 199804), (478, 183920), (484, 181640), (605, 145312), (608, 144595), (760, 115676), (836, 105160), (880, 99902), (956, 91960), (968, 90820), (1045, 84128), (1195, 73568), (1210, 72656), (1520, 57838), (1672, 52580), (1760, 49951), (1912, 45980), (1936, 45410), (2090, 42064), (2299, 38240), (2390, 36784), (2420, 36328), (2629, 33440), (3040, 28919), (3344, 26290), (3824, 22990), (3872, 22705), (4180, 21032), (4541, 19360), (4598, 19120), (4780, 18392), (4840, 18164), (5258, 16720), (6688, 13145), (7648, 11495), (8360, 10516), (9082, 9680), (9196, 9560)]