315083080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31891}}^1$

素因数の和:31934

約数の個数: 64

約数和(自身を含む): 803678400

約数和(自身を除く): 488595320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 31891, 63782, 127564, 159455, 255128, 318910, 414583, 605929, 637820, 829166, 1211858, 1275640, 1658332, 2072915, 2423716, 3029645, 3316664, 4145830, 4847432, 6059290, 7877077, 8291660, 12118580, 15754154, 16583320, 24237160, 31508308, 39385385, 63016616, 78770770, 157541540, 315083080]

約数ペア:

[(1, 315083080), (2, 157541540), (4, 78770770), (5, 63016616), (8, 39385385), (10, 31508308), (13, 24237160), (19, 16583320), (20, 15754154), (26, 12118580), (38, 8291660), (40, 7877077), (52, 6059290), (65, 4847432), (76, 4145830), (95, 3316664), (104, 3029645), (130, 2423716), (152, 2072915), (190, 1658332), (247, 1275640), (260, 1211858), (380, 829166), (494, 637820), (520, 605929), (760, 414583), (988, 318910), (1235, 255128), (1976, 159455), (2470, 127564), (4940, 63782), (9880, 31891)]