481260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 1453536

約数和(自身を除く): 972276

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, 617, 780, 1234, 1851, 2468, 3085, 3702, 6170, 7404, 8021, 9255, 12340, 16042, 18510, 24063, 32084, 37020, 40105, 48126, 80210, 96252, 120315, 160420, 240630, 481260]

約数ペア:

[(1, 481260), (2, 240630), (3, 160420), (4, 120315), (5, 96252), (6, 80210), (10, 48126), (12, 40105), (13, 37020), (15, 32084), (20, 24063), (26, 18510), (30, 16042), (39, 12340), (52, 9255), (60, 8021), (65, 7404), (78, 6170), (130, 3702), (156, 3085), (195, 2468), (260, 1851), (390, 1234), (617, 780)]