128014760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2383}}^1$

素因数の和:2490

約数の個数: 64

約数和(自身を含む): 308966400

約数和(自身を除く): 180951640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1343, 1580, 2383, 2686, 3160, 4766, 5372, 6715, 9532, 10744, 11915, 13430, 19064, 23830, 26860, 40511, 47660, 53720, 81022, 95320, 162044, 188257, 202555, 324088, 376514, 405110, 753028, 810220, 941285, 1506056, 1620440, 1882570, 3200369, 3765140, 6400738, 7530280, 12801476, 16001845, 25602952, 32003690, 64007380, 128014760]

約数ペア:

[(1, 128014760), (2, 64007380), (4, 32003690), (5, 25602952), (8, 16001845), (10, 12801476), (17, 7530280), (20, 6400738), (34, 3765140), (40, 3200369), (68, 1882570), (79, 1620440), (85, 1506056), (136, 941285), (158, 810220), (170, 753028), (316, 405110), (340, 376514), (395, 324088), (632, 202555), (680, 188257), (790, 162044), (1343, 95320), (1580, 81022), (2383, 53720), (2686, 47660), (3160, 40511), (4766, 26860), (5372, 23830), (6715, 19064), (9532, 13430), (10744, 11915)]