766740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 2314368

約数和(自身を除く): 1547628

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, 983, 1966, 2949, 3932, 4915, 5898, 9830, 11796, 12779, 14745, 19660, 25558, 29490, 38337, 51116, 58980, 63895, 76674, 127790, 153348, 191685, 255580, 383370, 766740]

約数ペア:

[(1, 766740), (2, 383370), (3, 255580), (4, 191685), (5, 153348), (6, 127790), (10, 76674), (12, 63895), (13, 58980), (15, 51116), (20, 38337), (26, 29490), (30, 25558), (39, 19660), (52, 14745), (60, 12779), (65, 11796), (78, 9830), (130, 5898), (156, 4915), (195, 3932), (260, 2949), (390, 1966), (780, 983)]