645450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 1729056

約数和(自身を除く): 1083606

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 331, 390, 650, 662, 975, 993, 1655, 1950, 1986, 3310, 4303, 4965, 8275, 8606, 9930, 12909, 16550, 21515, 24825, 25818, 43030, 49650, 64545, 107575, 129090, 215150, 322725, 645450]

約数ペア:

[(1, 645450), (2, 322725), (3, 215150), (5, 129090), (6, 107575), (10, 64545), (13, 49650), (15, 43030), (25, 25818), (26, 24825), (30, 21515), (39, 16550), (50, 12909), (65, 9930), (75, 8606), (78, 8275), (130, 4965), (150, 4303), (195, 3310), (325, 1986), (331, 1950), (390, 1655), (650, 993), (662, 975)]