213776720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 521966592

約数和(自身を除く): 308189872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 223, 230, 368, 446, 460, 521, 892, 920, 1042, 1115, 1784, 1840, 2084, 2230, 2605, 3568, 4168, 4460, 5129, 5210, 8336, 8920, 10258, 10420, 11983, 17840, 20516, 20840, 23966, 25645, 41032, 41680, 47932, 51290, 59915, 82064, 95864, 102580, 116183, 119830, 191728, 205160, 232366, 239660, 410320, 464732, 479320, 580915, 929464, 958640, 1161830, 1858928, 2323660, 2672209, 4647320, 5344418, 9294640, 10688836, 13361045, 21377672, 26722090, 42755344, 53444180, 106888360, 213776720]

約数ペア:

[(1, 213776720), (2, 106888360), (4, 53444180), (5, 42755344), (8, 26722090), (10, 21377672), (16, 13361045), (20, 10688836), (23, 9294640), (40, 5344418), (46, 4647320), (80, 2672209), (92, 2323660), (115, 1858928), (184, 1161830), (223, 958640), (230, 929464), (368, 580915), (446, 479320), (460, 464732), (521, 410320), (892, 239660), (920, 232366), (1042, 205160), (1115, 191728), (1784, 119830), (1840, 116183), (2084, 102580), (2230, 95864), (2605, 82064), (3568, 59915), (4168, 51290), (4460, 47932), (5129, 41680), (5210, 41032), (8336, 25645), (8920, 23966), (10258, 20840), (10420, 20516), (11983, 17840)]