8507220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2080

約数の個数: 48

約数和(自身を含む): 24167808

約数和(自身を除く): 15660588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 1997, 2130, 3994, 4260, 5991, 7988, 9985, 11982, 19970, 23964, 29955, 39940, 59910, 119820, 141787, 283574, 425361, 567148, 708935, 850722, 1417870, 1701444, 2126805, 2835740, 4253610, 8507220]

約数ペア:

[(1, 8507220), (2, 4253610), (3, 2835740), (4, 2126805), (5, 1701444), (6, 1417870), (10, 850722), (12, 708935), (15, 567148), (20, 425361), (30, 283574), (60, 141787), (71, 119820), (142, 59910), (213, 39940), (284, 29955), (355, 23964), (426, 19970), (710, 11982), (852, 9985), (1065, 7988), (1420, 5991), (1997, 4260), (2130, 3994)]