15620540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{823}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 35853888

約数和(自身を除く): 20233348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 823, 949, 1460, 1646, 1898, 3292, 3796, 4115, 4745, 8230, 9490, 10699, 16460, 18980, 21398, 42796, 53495, 60079, 106990, 120158, 213980, 240316, 300395, 600790, 781027, 1201580, 1562054, 3124108, 3905135, 7810270, 15620540]

約数ペア:

[(1, 15620540), (2, 7810270), (4, 3905135), (5, 3124108), (10, 1562054), (13, 1201580), (20, 781027), (26, 600790), (52, 300395), (65, 240316), (73, 213980), (130, 120158), (146, 106990), (260, 60079), (292, 53495), (365, 42796), (730, 21398), (823, 18980), (949, 16460), (1460, 10699), (1646, 9490), (1898, 8230), (3292, 4745), (3796, 4115)]