225420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:59

約数の個数: 72

約数和(自身を含む): 722064

約数和(自身を除く): 496644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 289, 340, 390, 442, 510, 578, 663, 780, 867, 884, 1020, 1105, 1156, 1326, 1445, 1734, 2210, 2652, 2890, 3315, 3468, 3757, 4335, 4420, 5780, 6630, 7514, 8670, 11271, 13260, 15028, 17340, 18785, 22542, 37570, 45084, 56355, 75140, 112710, 225420]

約数ペア:

[(1, 225420), (2, 112710), (3, 75140), (4, 56355), (5, 45084), (6, 37570), (10, 22542), (12, 18785), (13, 17340), (15, 15028), (17, 13260), (20, 11271), (26, 8670), (30, 7514), (34, 6630), (39, 5780), (51, 4420), (52, 4335), (60, 3757), (65, 3468), (68, 3315), (78, 2890), (85, 2652), (102, 2210), (130, 1734), (156, 1445), (170, 1326), (195, 1156), (204, 1105), (221, 1020), (255, 884), (260, 867), (289, 780), (340, 663), (390, 578), (442, 510)]