1264380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1621}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 3814944

約数和(自身を除く): 2550564

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, 1621, 3242, 4863, 6484, 8105, 9726, 16210, 19452, 21073, 24315, 32420, 42146, 48630, 63219, 84292, 97260, 105365, 126438, 210730, 252876, 316095, 421460, 632190, 1264380]

約数ペア:

[(1, 1264380), (2, 632190), (3, 421460), (4, 316095), (5, 252876), (6, 210730), (10, 126438), (12, 105365), (13, 97260), (15, 84292), (20, 63219), (26, 48630), (30, 42146), (39, 32420), (52, 24315), (60, 21073), (65, 19452), (78, 16210), (130, 9726), (156, 8105), (195, 6484), (260, 4863), (390, 3242), (780, 1621)]