28951260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37117}}^1$

素因数の和:37142

約数の個数: 48

約数和(自身を含む): 87301536

約数和(自身を除く): 58350276

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, 37117, 74234, 111351, 148468, 185585, 222702, 371170, 445404, 482521, 556755, 742340, 965042, 1113510, 1447563, 1930084, 2227020, 2412605, 2895126, 4825210, 5790252, 7237815, 9650420, 14475630, 28951260]

約数ペア:

[(1, 28951260), (2, 14475630), (3, 9650420), (4, 7237815), (5, 5790252), (6, 4825210), (10, 2895126), (12, 2412605), (13, 2227020), (15, 1930084), (20, 1447563), (26, 1113510), (30, 965042), (39, 742340), (52, 556755), (60, 482521), (65, 445404), (78, 371170), (130, 222702), (156, 185585), (195, 148468), (260, 111351), (390, 74234), (780, 37117)]