81662160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 160

約数和(自身を含む): 266732928

約数和(自身を除く): 185070768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 43, 48, 60, 80, 82, 86, 120, 123, 129, 164, 172, 193, 205, 215, 240, 246, 258, 328, 344, 386, 410, 430, 492, 516, 579, 615, 645, 656, 688, 772, 820, 860, 965, 984, 1032, 1158, 1230, 1290, 1544, 1640, 1720, 1763, 1930, 1968, 2064, 2316, 2460, 2580, 2895, 3088, 3280, 3440, 3526, 3860, 4632, 4920, 5160, 5289, 5790, 7052, 7720, 7913, 8299, 8815, 9264, 9840, 10320, 10578, 11580, 14104, 15440, 15826, 16598, 17630, 21156, 23160, 23739, 24897, 26445, 28208, 31652, 33196, 35260, 39565, 41495, 42312, 46320, 47478, 49794, 52890, 63304, 66392, 70520, 79130, 82990, 84624, 94956, 99588, 105780, 118695, 124485, 126608, 132784, 141040, 158260, 165980, 189912, 199176, 211560, 237390, 248970, 316520, 331960, 340259, 379824, 398352, 423120, 474780, 497940, 633040, 663920, 680518, 949560, 995880, 1020777, 1361036, 1701295, 1899120, 1991760, 2041554, 2722072, 3402590, 4083108, 5103885, 5444144, 6805180, 8166216, 10207770, 13610360, 16332432, 20415540, 27220720, 40831080, 81662160]

約数ペア:

[(1, 81662160), (2, 40831080), (3, 27220720), (4, 20415540), (5, 16332432), (6, 13610360), (8, 10207770), (10, 8166216), (12, 6805180), (15, 5444144), (16, 5103885), (20, 4083108), (24, 3402590), (30, 2722072), (40, 2041554), (41, 1991760), (43, 1899120), (48, 1701295), (60, 1361036), (80, 1020777), (82, 995880), (86, 949560), (120, 680518), (123, 663920), (129, 633040), (164, 497940), (172, 474780), (193, 423120), (205, 398352), (215, 379824), (240, 340259), (246, 331960), (258, 316520), (328, 248970), (344, 237390), (386, 211560), (410, 199176), (430, 189912), (492, 165980), (516, 158260), (579, 141040), (615, 132784), (645, 126608), (656, 124485), (688, 118695), (772, 105780), (820, 99588), (860, 94956), (965, 84624), (984, 82990), (1032, 79130), (1158, 70520), (1230, 66392), (1290, 63304), (1544, 52890), (1640, 49794), (1720, 47478), (1763, 46320), (1930, 42312), (1968, 41495), (2064, 39565), (2316, 35260), (2460, 33196), (2580, 31652), (2895, 28208), (3088, 26445), (3280, 24897), (3440, 23739), (3526, 23160), (3860, 21156), (4632, 17630), (4920, 16598), (5160, 15826), (5289, 15440), (5790, 14104), (7052, 11580), (7720, 10578), (7913, 10320), (8299, 9840), (8815, 9264)]