317927220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{407599}}^1$

素因数の和:407624

約数の個数: 48

約数和(自身を含む): 958675200

約数和(自身を除く): 640747980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 407599, 815198, 1222797, 1630396, 2037995, 2445594, 4075990, 4891188, 5298787, 6113985, 8151980, 10597574, 12227970, 15896361, 21195148, 24455940, 26493935, 31792722, 52987870, 63585444, 79481805, 105975740, 158963610, 317927220]

約数ペア:

[(1, 317927220), (2, 158963610), (3, 105975740), (4, 79481805), (5, 63585444), (6, 52987870), (10, 31792722), (12, 26493935), (13, 24455940), (15, 21195148), (20, 15896361), (26, 12227970), (30, 10597574), (39, 8151980), (52, 6113985), (60, 5298787), (65, 4891188), (78, 4075990), (130, 2445594), (156, 2037995), (195, 1630396), (260, 1222797), (390, 815198), (780, 407599)]