164651680

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^2$

素因数の和:318

約数の個数: 72

約数和(自身を含む): 396852372

約数和(自身を除く): 232200692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 103, 160, 194, 206, 388, 412, 485, 515, 776, 824, 970, 1030, 1552, 1648, 1940, 2060, 3104, 3296, 3880, 4120, 7760, 8240, 9991, 10609, 15520, 16480, 19982, 21218, 39964, 42436, 49955, 53045, 79928, 84872, 99910, 106090, 159856, 169744, 199820, 212180, 319712, 339488, 399640, 424360, 799280, 848720, 1029073, 1598560, 1697440, 2058146, 4116292, 5145365, 8232584, 10290730, 16465168, 20581460, 32930336, 41162920, 82325840, 164651680]

約数ペア:

[(1, 164651680), (2, 82325840), (4, 41162920), (5, 32930336), (8, 20581460), (10, 16465168), (16, 10290730), (20, 8232584), (32, 5145365), (40, 4116292), (80, 2058146), (97, 1697440), (103, 1598560), (160, 1029073), (194, 848720), (206, 799280), (388, 424360), (412, 399640), (485, 339488), (515, 319712), (776, 212180), (824, 199820), (970, 169744), (1030, 159856), (1552, 106090), (1648, 99910), (1940, 84872), (2060, 79928), (3104, 53045), (3296, 49955), (3880, 42436), (4120, 39964), (7760, 21218), (8240, 19982), (9991, 16480), (10609, 15520)]