858842720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{315751}}^1$

素因数の和:315783

約数の個数: 48

約数和(自身を含む): 2148376608

約数和(自身を除く): 1289533888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 315751, 631502, 1263004, 1578755, 2526008, 3157510, 5052016, 5367767, 6315020, 10104032, 10735534, 12630040, 21471068, 25260080, 26838835, 42942136, 50520160, 53677670, 85884272, 107355340, 171768544, 214710680, 429421360, 858842720]

約数ペア:

[(1, 858842720), (2, 429421360), (4, 214710680), (5, 171768544), (8, 107355340), (10, 85884272), (16, 53677670), (17, 50520160), (20, 42942136), (32, 26838835), (34, 25260080), (40, 21471068), (68, 12630040), (80, 10735534), (85, 10104032), (136, 6315020), (160, 5367767), (170, 5052016), (272, 3157510), (340, 2526008), (544, 1578755), (680, 1263004), (1360, 631502), (2720, 315751)]