7917780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10151}}^1$

素因数の和:10176

約数の個数: 48

約数和(自身を含む): 23877504

約数和(自身を除く): 15959724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 10151, 20302, 30453, 40604, 50755, 60906, 101510, 121812, 131963, 152265, 203020, 263926, 304530, 395889, 527852, 609060, 659815, 791778, 1319630, 1583556, 1979445, 2639260, 3958890, 7917780]

約数ペア:

[(1, 7917780), (2, 3958890), (3, 2639260), (4, 1979445), (5, 1583556), (6, 1319630), (10, 791778), (12, 659815), (13, 609060), (15, 527852), (20, 395889), (26, 304530), (30, 263926), (39, 203020), (52, 152265), (60, 131963), (65, 121812), (78, 101510), (130, 60906), (156, 50755), (195, 40604), (260, 30453), (390, 20302), (780, 10151)]