639611460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{34499}}^1$

素因数の和:34617

約数の個数: 72

約数和(自身を含む): 1959048000

約数和(自身を除く): 1319436540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 18540, 34499, 68998, 103497, 137996, 172495, 206994, 310491, 344990, 413988, 517485, 620982, 689980, 1034970, 1241964, 1552455, 2069940, 3104910, 3553397, 6209820, 7106794, 10660191, 14213588, 17766985, 21320382, 31980573, 35533970, 42640764, 53300955, 63961146, 71067940, 106601910, 127922292, 159902865, 213203820, 319805730, 639611460]

約数ペア:

[(1, 639611460), (2, 319805730), (3, 213203820), (4, 159902865), (5, 127922292), (6, 106601910), (9, 71067940), (10, 63961146), (12, 53300955), (15, 42640764), (18, 35533970), (20, 31980573), (30, 21320382), (36, 17766985), (45, 14213588), (60, 10660191), (90, 7106794), (103, 6209820), (180, 3553397), (206, 3104910), (309, 2069940), (412, 1552455), (515, 1241964), (618, 1034970), (927, 689980), (1030, 620982), (1236, 517485), (1545, 413988), (1854, 344990), (2060, 310491), (3090, 206994), (3708, 172495), (4635, 137996), (6180, 103497), (9270, 68998), (18540, 34499)]