61877920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:518

約数の個数: 96

約数和(自身を含む): 160030080

約数和(自身を除く): 98152160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 71, 80, 104, 130, 142, 160, 208, 260, 284, 355, 416, 419, 520, 568, 710, 838, 923, 1040, 1136, 1420, 1676, 1846, 2080, 2095, 2272, 2840, 3352, 3692, 4190, 4615, 5447, 5680, 6704, 7384, 8380, 9230, 10894, 11360, 13408, 14768, 16760, 18460, 21788, 27235, 29536, 29749, 33520, 36920, 43576, 54470, 59498, 67040, 73840, 87152, 108940, 118996, 147680, 148745, 174304, 217880, 237992, 297490, 386737, 435760, 475984, 594980, 773474, 871520, 951968, 1189960, 1546948, 1933685, 2379920, 3093896, 3867370, 4759840, 6187792, 7734740, 12375584, 15469480, 30938960, 61877920]

約数ペア:

[(1, 61877920), (2, 30938960), (4, 15469480), (5, 12375584), (8, 7734740), (10, 6187792), (13, 4759840), (16, 3867370), (20, 3093896), (26, 2379920), (32, 1933685), (40, 1546948), (52, 1189960), (65, 951968), (71, 871520), (80, 773474), (104, 594980), (130, 475984), (142, 435760), (160, 386737), (208, 297490), (260, 237992), (284, 217880), (355, 174304), (416, 148745), (419, 147680), (520, 118996), (568, 108940), (710, 87152), (838, 73840), (923, 67040), (1040, 59498), (1136, 54470), (1420, 43576), (1676, 36920), (1846, 33520), (2080, 29749), (2095, 29536), (2272, 27235), (2840, 21788), (3352, 18460), (3692, 16760), (4190, 14768), (4615, 13408), (5447, 11360), (5680, 10894), (6704, 9230), (7384, 8380)]