215225460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1663}}^1$

素因数の和:2397

約数の個数: 72

約数和(自身を含む): 654151680

約数和(自身を除く): 438926220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 719, 1438, 1663, 2157, 2876, 3326, 3595, 4314, 4989, 6471, 6652, 7190, 8315, 8628, 9978, 10785, 12942, 14380, 14967, 16630, 19956, 21570, 24945, 25884, 29934, 32355, 33260, 43140, 49890, 59868, 64710, 74835, 99780, 129420, 149670, 299340, 1195697, 2391394, 3587091, 4782788, 5978485, 7174182, 10761273, 11956970, 14348364, 17935455, 21522546, 23913940, 35870910, 43045092, 53806365, 71741820, 107612730, 215225460]

約数ペア:

[(1, 215225460), (2, 107612730), (3, 71741820), (4, 53806365), (5, 43045092), (6, 35870910), (9, 23913940), (10, 21522546), (12, 17935455), (15, 14348364), (18, 11956970), (20, 10761273), (30, 7174182), (36, 5978485), (45, 4782788), (60, 3587091), (90, 2391394), (180, 1195697), (719, 299340), (1438, 149670), (1663, 129420), (2157, 99780), (2876, 74835), (3326, 64710), (3595, 59868), (4314, 49890), (4989, 43140), (6471, 33260), (6652, 32355), (7190, 29934), (8315, 25884), (8628, 24945), (9978, 21570), (10785, 19956), (12942, 16630), (14380, 14967)]