13215540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16943}}^1$

素因数の和:16968

約数の個数: 48

約数和(自身を含む): 39852288

約数和(自身を除く): 26636748

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, 16943, 33886, 50829, 67772, 84715, 101658, 169430, 203316, 220259, 254145, 338860, 440518, 508290, 660777, 881036, 1016580, 1101295, 1321554, 2202590, 2643108, 3303885, 4405180, 6607770, 13215540]

約数ペア:

[(1, 13215540), (2, 6607770), (3, 4405180), (4, 3303885), (5, 2643108), (6, 2202590), (10, 1321554), (12, 1101295), (13, 1016580), (15, 881036), (20, 660777), (26, 508290), (30, 440518), (39, 338860), (52, 254145), (60, 220259), (65, 203316), (78, 169430), (130, 101658), (156, 84715), (195, 67772), (260, 50829), (390, 33886), (780, 16943)]