31105360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2719}}^1$

素因数の和:2756

約数の個数: 80

約数和(自身を含む): 84994560

約数和(自身を除く): 53889200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2719, 2860, 5438, 5720, 10876, 11440, 13595, 21752, 27190, 29909, 35347, 43504, 54380, 59818, 70694, 108760, 119636, 141388, 149545, 176735, 217520, 239272, 282776, 299090, 353470, 388817, 478544, 565552, 598180, 706940, 777634, 1196360, 1413880, 1555268, 1944085, 2392720, 2827760, 3110536, 3888170, 6221072, 7776340, 15552680, 31105360]

約数ペア:

[(1, 31105360), (2, 15552680), (4, 7776340), (5, 6221072), (8, 3888170), (10, 3110536), (11, 2827760), (13, 2392720), (16, 1944085), (20, 1555268), (22, 1413880), (26, 1196360), (40, 777634), (44, 706940), (52, 598180), (55, 565552), (65, 478544), (80, 388817), (88, 353470), (104, 299090), (110, 282776), (130, 239272), (143, 217520), (176, 176735), (208, 149545), (220, 141388), (260, 119636), (286, 108760), (440, 70694), (520, 59818), (572, 54380), (715, 43504), (880, 35347), (1040, 29909), (1144, 27190), (1430, 21752), (2288, 13595), (2719, 11440), (2860, 10876), (5438, 5720)]