123740840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1367}}^1$

素因数の和:1482

約数の個数: 64

約数和(自身を含む): 291548160

約数和(自身を除く): 167807320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 1240, 1367, 1460, 2263, 2734, 2920, 4526, 5468, 6835, 9052, 10936, 11315, 13670, 18104, 22630, 27340, 42377, 45260, 54680, 84754, 90520, 99791, 169508, 199582, 211885, 339016, 399164, 423770, 498955, 798328, 847540, 997910, 1695080, 1995820, 3093521, 3991640, 6187042, 12374084, 15467605, 24748168, 30935210, 61870420, 123740840]

約数ペア:

[(1, 123740840), (2, 61870420), (4, 30935210), (5, 24748168), (8, 15467605), (10, 12374084), (20, 6187042), (31, 3991640), (40, 3093521), (62, 1995820), (73, 1695080), (124, 997910), (146, 847540), (155, 798328), (248, 498955), (292, 423770), (310, 399164), (365, 339016), (584, 211885), (620, 199582), (730, 169508), (1240, 99791), (1367, 90520), (1460, 84754), (2263, 54680), (2734, 45260), (2920, 42377), (4526, 27340), (5468, 22630), (6835, 18104), (9052, 13670), (10936, 11315)]