690507480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{442633}}^1$

素因数の和:442660

約数の個数: 64

約数和(自身を含む): 2230875360

約数和(自身を除く): 1540367880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 442633, 885266, 1327899, 1770532, 2213165, 2655798, 3541064, 4426330, 5311596, 5754229, 6639495, 8852660, 10623192, 11508458, 13278990, 17262687, 17705320, 23016916, 26557980, 28771145, 34525374, 46033832, 53115960, 57542290, 69050748, 86313435, 115084580, 138101496, 172626870, 230169160, 345253740, 690507480]

約数ペア:

[(1, 690507480), (2, 345253740), (3, 230169160), (4, 172626870), (5, 138101496), (6, 115084580), (8, 86313435), (10, 69050748), (12, 57542290), (13, 53115960), (15, 46033832), (20, 34525374), (24, 28771145), (26, 26557980), (30, 23016916), (39, 17705320), (40, 17262687), (52, 13278990), (60, 11508458), (65, 10623192), (78, 8852660), (104, 6639495), (120, 5754229), (130, 5311596), (156, 4426330), (195, 3541064), (260, 2655798), (312, 2213165), (390, 1770532), (520, 1327899), (780, 885266), (1560, 442633)]