201506180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 432264000

約数和(自身を除く): 230757820

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 331, 499, 610, 662, 998, 1220, 1324, 1655, 1996, 2495, 3310, 4990, 6620, 9980, 20191, 30439, 40382, 60878, 80764, 100955, 121756, 152195, 165169, 201910, 304390, 330338, 403820, 608780, 660676, 825845, 1651690, 3303380, 10075309, 20150618, 40301236, 50376545, 100753090, 201506180]

約数ペア:

[(1, 201506180), (2, 100753090), (4, 50376545), (5, 40301236), (10, 20150618), (20, 10075309), (61, 3303380), (122, 1651690), (244, 825845), (305, 660676), (331, 608780), (499, 403820), (610, 330338), (662, 304390), (998, 201910), (1220, 165169), (1324, 152195), (1655, 121756), (1996, 100955), (2495, 80764), (3310, 60878), (4990, 40382), (6620, 30439), (9980, 20191)]