206789360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{397}}^1$

素因数の和:810

約数の個数: 80

約数和(自身を含む): 511681536

約数和(自身を除く): 304892176

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 383, 397, 680, 766, 794, 1360, 1532, 1588, 1915, 1985, 3064, 3176, 3830, 3970, 6128, 6352, 6511, 6749, 7660, 7940, 13022, 13498, 15320, 15880, 26044, 26996, 30640, 31760, 32555, 33745, 52088, 53992, 65110, 67490, 104176, 107984, 130220, 134980, 152051, 260440, 269960, 304102, 520880, 539920, 608204, 760255, 1216408, 1520510, 2432816, 2584867, 3041020, 5169734, 6082040, 10339468, 12164080, 12924335, 20678936, 25848670, 41357872, 51697340, 103394680, 206789360]

約数ペア:

[(1, 206789360), (2, 103394680), (4, 51697340), (5, 41357872), (8, 25848670), (10, 20678936), (16, 12924335), (17, 12164080), (20, 10339468), (34, 6082040), (40, 5169734), (68, 3041020), (80, 2584867), (85, 2432816), (136, 1520510), (170, 1216408), (272, 760255), (340, 608204), (383, 539920), (397, 520880), (680, 304102), (766, 269960), (794, 260440), (1360, 152051), (1532, 134980), (1588, 130220), (1915, 107984), (1985, 104176), (3064, 67490), (3176, 65110), (3830, 53992), (3970, 52088), (6128, 33745), (6352, 32555), (6511, 31760), (6749, 30640), (7660, 26996), (7940, 26044), (13022, 15880), (13498, 15320)]