164752080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1061}}^1$

素因数の和:1724

約数の個数: 80

約数和(自身を含む): 512002944

約数和(自身を除く): 347250864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647, 1061, 1294, 1941, 2122, 2588, 3183, 3235, 3882, 4244, 5176, 5305, 6366, 6470, 7764, 8488, 9705, 10352, 10610, 12732, 12940, 15528, 15915, 16976, 19410, 21220, 25464, 25880, 31056, 31830, 38820, 42440, 50928, 51760, 63660, 77640, 84880, 127320, 155280, 254640, 686467, 1372934, 2059401, 2745868, 3432335, 4118802, 5491736, 6864670, 8237604, 10297005, 10983472, 13729340, 16475208, 20594010, 27458680, 32950416, 41188020, 54917360, 82376040, 164752080]

約数ペア:

[(1, 164752080), (2, 82376040), (3, 54917360), (4, 41188020), (5, 32950416), (6, 27458680), (8, 20594010), (10, 16475208), (12, 13729340), (15, 10983472), (16, 10297005), (20, 8237604), (24, 6864670), (30, 5491736), (40, 4118802), (48, 3432335), (60, 2745868), (80, 2059401), (120, 1372934), (240, 686467), (647, 254640), (1061, 155280), (1294, 127320), (1941, 84880), (2122, 77640), (2588, 63660), (3183, 51760), (3235, 50928), (3882, 42440), (4244, 38820), (5176, 31830), (5305, 31056), (6366, 25880), (6470, 25464), (7764, 21220), (8488, 19410), (9705, 16976), (10352, 15915), (10610, 15528), (12732, 12940)]