31092880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4271}}^1$

素因数の和:4304

約数の個数: 80

約数和(自身を含む): 88994304

約数和(自身を除く): 57901424

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 4271, 7280, 8542, 17084, 21355, 29897, 34168, 42710, 55523, 59794, 68336, 85420, 111046, 119588, 149485, 170840, 222092, 239176, 277615, 298970, 341680, 388661, 444184, 478352, 555230, 597940, 777322, 888368, 1110460, 1195880, 1554644, 1943305, 2220920, 2391760, 3109288, 3886610, 4441840, 6218576, 7773220, 15546440, 31092880]

約数ペア:

[(1, 31092880), (2, 15546440), (4, 7773220), (5, 6218576), (7, 4441840), (8, 3886610), (10, 3109288), (13, 2391760), (14, 2220920), (16, 1943305), (20, 1554644), (26, 1195880), (28, 1110460), (35, 888368), (40, 777322), (52, 597940), (56, 555230), (65, 478352), (70, 444184), (80, 388661), (91, 341680), (104, 298970), (112, 277615), (130, 239176), (140, 222092), (182, 170840), (208, 149485), (260, 119588), (280, 111046), (364, 85420), (455, 68336), (520, 59794), (560, 55523), (728, 42710), (910, 34168), (1040, 29897), (1456, 21355), (1820, 17084), (3640, 8542), (4271, 7280)]