313214080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15787}}^1$

素因数の和:15837

約数の個数: 64

約数和(自身を含む): 772980480

約数和(自身を除く): 459766400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 15787, 19840, 31574, 63148, 78935, 126296, 157870, 252592, 315740, 489397, 505184, 631480, 978794, 1010368, 1262960, 1957588, 2020736, 2446985, 2525920, 3915176, 4893970, 5051840, 7830352, 9787940, 10103680, 15660704, 19575880, 31321408, 39151760, 62642816, 78303520, 156607040, 313214080]

約数ペア:

[(1, 313214080), (2, 156607040), (4, 78303520), (5, 62642816), (8, 39151760), (10, 31321408), (16, 19575880), (20, 15660704), (31, 10103680), (32, 9787940), (40, 7830352), (62, 5051840), (64, 4893970), (80, 3915176), (124, 2525920), (128, 2446985), (155, 2020736), (160, 1957588), (248, 1262960), (310, 1010368), (320, 978794), (496, 631480), (620, 505184), (640, 489397), (992, 315740), (1240, 252592), (1984, 157870), (2480, 126296), (3968, 78935), (4960, 63148), (9920, 31574), (15787, 19840)]