1283670320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{517609}}^1$

素因数の和:517653

約数の個数: 40

約数和(自身を含む): 3080814720

約数和(自身を除く): 1797144400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 517609, 1035218, 2070436, 2588045, 4140872, 5176090, 8281744, 10352180, 16045879, 20704360, 32091758, 41408720, 64183516, 80229395, 128367032, 160458790, 256734064, 320917580, 641835160, 1283670320]

約数ペア:

[(1, 1283670320), (2, 641835160), (4, 320917580), (5, 256734064), (8, 160458790), (10, 128367032), (16, 80229395), (20, 64183516), (31, 41408720), (40, 32091758), (62, 20704360), (80, 16045879), (124, 10352180), (155, 8281744), (248, 5176090), (310, 4140872), (496, 2588045), (620, 2070436), (1240, 1035218), (2480, 517609)]