87999930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22739}}^1$

素因数の和:22795

約数の個数: 48

約数和(自身を含む): 234131040

約数和(自身を除く): 146131110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 22739, 45478, 68217, 113695, 136434, 204651, 227390, 341085, 409302, 682170, 977777, 1023255, 1955554, 2046510, 2933331, 4888885, 5866662, 8799993, 9777770, 14666655, 17599986, 29333310, 43999965, 87999930]

約数ペア:

[(1, 87999930), (2, 43999965), (3, 29333310), (5, 17599986), (6, 14666655), (9, 9777770), (10, 8799993), (15, 5866662), (18, 4888885), (30, 2933331), (43, 2046510), (45, 1955554), (86, 1023255), (90, 977777), (129, 682170), (215, 409302), (258, 341085), (387, 227390), (430, 204651), (645, 136434), (774, 113695), (1290, 68217), (1935, 45478), (3870, 22739)]