61878640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 153793728

約数和(自身を除く): 91915088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 173, 263, 272, 340, 346, 526, 680, 692, 865, 1052, 1315, 1360, 1384, 1730, 2104, 2630, 2768, 2941, 3460, 4208, 4471, 5260, 5882, 6920, 8942, 10520, 11764, 13840, 14705, 17884, 21040, 22355, 23528, 29410, 35768, 44710, 45499, 47056, 58820, 71536, 89420, 90998, 117640, 178840, 181996, 227495, 235280, 357680, 363992, 454990, 727984, 773483, 909980, 1546966, 1819960, 3093932, 3639920, 3867415, 6187864, 7734830, 12375728, 15469660, 30939320, 61878640]

約数ペア:

[(1, 61878640), (2, 30939320), (4, 15469660), (5, 12375728), (8, 7734830), (10, 6187864), (16, 3867415), (17, 3639920), (20, 3093932), (34, 1819960), (40, 1546966), (68, 909980), (80, 773483), (85, 727984), (136, 454990), (170, 363992), (173, 357680), (263, 235280), (272, 227495), (340, 181996), (346, 178840), (526, 117640), (680, 90998), (692, 89420), (865, 71536), (1052, 58820), (1315, 47056), (1360, 45499), (1384, 44710), (1730, 35768), (2104, 29410), (2630, 23528), (2768, 22355), (2941, 21040), (3460, 17884), (4208, 14705), (4471, 13840), (5260, 11764), (5882, 10520), (6920, 8942)]