313036620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401329}}^1$

素因数の和:401354

約数の個数: 48

約数和(自身を含む): 943928160

約数和(自身を除く): 630891540

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, 401329, 802658, 1203987, 1605316, 2006645, 2407974, 4013290, 4815948, 5217277, 6019935, 8026580, 10434554, 12039870, 15651831, 20869108, 24079740, 26086385, 31303662, 52172770, 62607324, 78259155, 104345540, 156518310, 313036620]

約数ペア:

[(1, 313036620), (2, 156518310), (3, 104345540), (4, 78259155), (5, 62607324), (6, 52172770), (10, 31303662), (12, 26086385), (13, 24079740), (15, 20869108), (20, 15651831), (26, 12039870), (30, 10434554), (39, 8026580), (52, 6019935), (60, 5217277), (65, 4815948), (78, 4013290), (130, 2407974), (156, 2006645), (195, 1605316), (260, 1203987), (390, 802658), (780, 401329)]