72208180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:529

約数の個数: 96

約数和(自身を含む): 179625600

約数和(自身を除く): 107417420

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 43, 44, 55, 68, 85, 86, 110, 170, 172, 187, 215, 220, 340, 374, 430, 449, 473, 731, 748, 860, 898, 935, 946, 1462, 1796, 1870, 1892, 2245, 2365, 2924, 3655, 3740, 4490, 4730, 4939, 7310, 7633, 8041, 8980, 9460, 9878, 14620, 15266, 16082, 19307, 19756, 24695, 30532, 32164, 38165, 38614, 40205, 49390, 76330, 77228, 80410, 83963, 96535, 98780, 152660, 160820, 167926, 193070, 212377, 328219, 335852, 386140, 419815, 424754, 656438, 839630, 849508, 1061885, 1312876, 1641095, 1679260, 2123770, 3282190, 3610409, 4247540, 6564380, 7220818, 14441636, 18052045, 36104090, 72208180]

約数ペア:

[(1, 72208180), (2, 36104090), (4, 18052045), (5, 14441636), (10, 7220818), (11, 6564380), (17, 4247540), (20, 3610409), (22, 3282190), (34, 2123770), (43, 1679260), (44, 1641095), (55, 1312876), (68, 1061885), (85, 849508), (86, 839630), (110, 656438), (170, 424754), (172, 419815), (187, 386140), (215, 335852), (220, 328219), (340, 212377), (374, 193070), (430, 167926), (449, 160820), (473, 152660), (731, 98780), (748, 96535), (860, 83963), (898, 80410), (935, 77228), (946, 76330), (1462, 49390), (1796, 40205), (1870, 38614), (1892, 38165), (2245, 32164), (2365, 30532), (2924, 24695), (3655, 19756), (3740, 19307), (4490, 16082), (4730, 15266), (4939, 14620), (7310, 9878), (7633, 9460), (8041, 8980)]