220459920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{918583}}^1$

素因数の和:918599

約数の個数: 40

約数和(自身を含む): 683426496

約数和(自身を除く): 462966576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 918583, 1837166, 2755749, 3674332, 4592915, 5511498, 7348664, 9185830, 11022996, 13778745, 14697328, 18371660, 22045992, 27557490, 36743320, 44091984, 55114980, 73486640, 110229960, 220459920]

約数ペア:

[(1, 220459920), (2, 110229960), (3, 73486640), (4, 55114980), (5, 44091984), (6, 36743320), (8, 27557490), (10, 22045992), (12, 18371660), (15, 14697328), (16, 13778745), (20, 11022996), (24, 9185830), (30, 7348664), (40, 5511498), (48, 4592915), (60, 3674332), (80, 2755749), (120, 1837166), (240, 918583)]