61587480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1997}}^1$

素因数の和:2268

約数の個数: 64

約数和(自身を含む): 185574240

約数和(自身を除く): 123986760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 1997, 2056, 2570, 3084, 3855, 3994, 5140, 5991, 6168, 7710, 7988, 9985, 10280, 11982, 15420, 15976, 19970, 23964, 29955, 30840, 39940, 47928, 59910, 79880, 119820, 239640, 513229, 1026458, 1539687, 2052916, 2566145, 3079374, 4105832, 5132290, 6158748, 7698435, 10264580, 12317496, 15396870, 20529160, 30793740, 61587480]

約数ペア:

[(1, 61587480), (2, 30793740), (3, 20529160), (4, 15396870), (5, 12317496), (6, 10264580), (8, 7698435), (10, 6158748), (12, 5132290), (15, 4105832), (20, 3079374), (24, 2566145), (30, 2052916), (40, 1539687), (60, 1026458), (120, 513229), (257, 239640), (514, 119820), (771, 79880), (1028, 59910), (1285, 47928), (1542, 39940), (1997, 30840), (2056, 29955), (2570, 23964), (3084, 19970), (3855, 15976), (3994, 15420), (5140, 11982), (5991, 10280), (6168, 9985), (7710, 7988)]