78100660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 183667680

約数和(自身を除く): 105567020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 121, 220, 236, 242, 295, 484, 547, 590, 605, 649, 1094, 1180, 1210, 1298, 2188, 2420, 2596, 2735, 3245, 5470, 6017, 6490, 7139, 10940, 12034, 12980, 14278, 24068, 28556, 30085, 32273, 35695, 60170, 64546, 66187, 71390, 120340, 129092, 132374, 142780, 161365, 264748, 322730, 330935, 355003, 645460, 661870, 710006, 1323740, 1420012, 1775015, 3550030, 3905033, 7100060, 7810066, 15620132, 19525165, 39050330, 78100660]

約数ペア:

[(1, 78100660), (2, 39050330), (4, 19525165), (5, 15620132), (10, 7810066), (11, 7100060), (20, 3905033), (22, 3550030), (44, 1775015), (55, 1420012), (59, 1323740), (110, 710006), (118, 661870), (121, 645460), (220, 355003), (236, 330935), (242, 322730), (295, 264748), (484, 161365), (547, 142780), (590, 132374), (605, 129092), (649, 120340), (1094, 71390), (1180, 66187), (1210, 64546), (1298, 60170), (2188, 35695), (2420, 32273), (2596, 30085), (2735, 28556), (3245, 24068), (5470, 14278), (6017, 12980), (6490, 12034), (7139, 10940)]