8866680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 64

約数和(自身を含む): 27332640

約数和(自身を除く): 18465960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 1997, 2220, 3994, 4440, 5991, 7988, 9985, 11982, 15976, 19970, 23964, 29955, 39940, 47928, 59910, 73889, 79880, 119820, 147778, 221667, 239640, 295556, 369445, 443334, 591112, 738890, 886668, 1108335, 1477780, 1773336, 2216670, 2955560, 4433340, 8866680]

約数ペア:

[(1, 8866680), (2, 4433340), (3, 2955560), (4, 2216670), (5, 1773336), (6, 1477780), (8, 1108335), (10, 886668), (12, 738890), (15, 591112), (20, 443334), (24, 369445), (30, 295556), (37, 239640), (40, 221667), (60, 147778), (74, 119820), (111, 79880), (120, 73889), (148, 59910), (185, 47928), (222, 39940), (296, 29955), (370, 23964), (444, 19970), (555, 15976), (740, 11982), (888, 9985), (1110, 7988), (1480, 5991), (1997, 4440), (2220, 3994)]