310882520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{809}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 755244000

約数和(自身を除く): 444361480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 739, 809, 1478, 1618, 2956, 3236, 3695, 4045, 5912, 6472, 7390, 8090, 9607, 10517, 14780, 16180, 19214, 21034, 29560, 32360, 38428, 42068, 48035, 52585, 76856, 84136, 96070, 105170, 192140, 210340, 384280, 420680, 597851, 1195702, 2391404, 2989255, 4782808, 5978510, 7772063, 11957020, 15544126, 23914040, 31088252, 38860315, 62176504, 77720630, 155441260, 310882520]

約数ペア:

[(1, 310882520), (2, 155441260), (4, 77720630), (5, 62176504), (8, 38860315), (10, 31088252), (13, 23914040), (20, 15544126), (26, 11957020), (40, 7772063), (52, 5978510), (65, 4782808), (104, 2989255), (130, 2391404), (260, 1195702), (520, 597851), (739, 420680), (809, 384280), (1478, 210340), (1618, 192140), (2956, 105170), (3236, 96070), (3695, 84136), (4045, 76856), (5912, 52585), (6472, 48035), (7390, 42068), (8090, 38428), (9607, 32360), (10517, 29560), (14780, 21034), (16180, 19214)]