660006640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{28547}}^1$

素因数の和:28594

約数の個数: 60

約数和(自身を含む): 1630147896

約数和(自身を除く): 970141256

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 4624, 5780, 11560, 23120, 28547, 57094, 114188, 142735, 228376, 285470, 456752, 485299, 570940, 970598, 1141880, 1941196, 2283760, 2426495, 3882392, 4852990, 7764784, 8250083, 9705980, 16500166, 19411960, 33000332, 38823920, 41250415, 66000664, 82500830, 132001328, 165001660, 330003320, 660006640]

約数ペア:

[(1, 660006640), (2, 330003320), (4, 165001660), (5, 132001328), (8, 82500830), (10, 66000664), (16, 41250415), (17, 38823920), (20, 33000332), (34, 19411960), (40, 16500166), (68, 9705980), (80, 8250083), (85, 7764784), (136, 4852990), (170, 3882392), (272, 2426495), (289, 2283760), (340, 1941196), (578, 1141880), (680, 970598), (1156, 570940), (1360, 485299), (1445, 456752), (2312, 285470), (2890, 228376), (4624, 142735), (5780, 114188), (11560, 57094), (23120, 28547)]