30931380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{719}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 94348800

約数和(自身を除く): 63417420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 719, 956, 1195, 1434, 1438, 2151, 2157, 2390, 2868, 2876, 3585, 3595, 4302, 4314, 4780, 6471, 7170, 7190, 8604, 8628, 10755, 10785, 12942, 14340, 14380, 21510, 21570, 25884, 32355, 43020, 43140, 64710, 129420, 171841, 343682, 515523, 687364, 859205, 1031046, 1546569, 1718410, 2062092, 2577615, 3093138, 3436820, 5155230, 6186276, 7732845, 10310460, 15465690, 30931380]

約数ペア:

[(1, 30931380), (2, 15465690), (3, 10310460), (4, 7732845), (5, 6186276), (6, 5155230), (9, 3436820), (10, 3093138), (12, 2577615), (15, 2062092), (18, 1718410), (20, 1546569), (30, 1031046), (36, 859205), (45, 687364), (60, 515523), (90, 343682), (180, 171841), (239, 129420), (478, 64710), (717, 43140), (719, 43020), (956, 32355), (1195, 25884), (1434, 21570), (1438, 21510), (2151, 14380), (2157, 14340), (2390, 12942), (2868, 10785), (2876, 10755), (3585, 8628), (3595, 8604), (4302, 7190), (4314, 7170), (4780, 6471)]