247511680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:522

約数の個数: 128

約数和(自身を含む): 647740800

約数和(自身を除く): 400229120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 71, 80, 104, 128, 130, 142, 160, 208, 260, 284, 320, 355, 416, 419, 520, 568, 640, 710, 832, 838, 923, 1040, 1136, 1420, 1664, 1676, 1846, 2080, 2095, 2272, 2840, 3352, 3692, 4160, 4190, 4544, 4615, 5447, 5680, 6704, 7384, 8320, 8380, 9088, 9230, 10894, 11360, 13408, 14768, 16760, 18460, 21788, 22720, 26816, 27235, 29536, 29749, 33520, 36920, 43576, 45440, 53632, 54470, 59072, 59498, 67040, 73840, 87152, 108940, 118144, 118996, 134080, 147680, 148745, 174304, 217880, 237992, 268160, 295360, 297490, 348608, 386737, 435760, 475984, 590720, 594980, 697216, 773474, 871520, 951968, 1189960, 1546948, 1743040, 1903936, 1933685, 2379920, 3093896, 3486080, 3807872, 3867370, 4759840, 6187792, 7734740, 9519680, 12375584, 15469480, 19039360, 24751168, 30938960, 49502336, 61877920, 123755840, 247511680]

約数ペア:

[(1, 247511680), (2, 123755840), (4, 61877920), (5, 49502336), (8, 30938960), (10, 24751168), (13, 19039360), (16, 15469480), (20, 12375584), (26, 9519680), (32, 7734740), (40, 6187792), (52, 4759840), (64, 3867370), (65, 3807872), (71, 3486080), (80, 3093896), (104, 2379920), (128, 1933685), (130, 1903936), (142, 1743040), (160, 1546948), (208, 1189960), (260, 951968), (284, 871520), (320, 773474), (355, 697216), (416, 594980), (419, 590720), (520, 475984), (568, 435760), (640, 386737), (710, 348608), (832, 297490), (838, 295360), (923, 268160), (1040, 237992), (1136, 217880), (1420, 174304), (1664, 148745), (1676, 147680), (1846, 134080), (2080, 118996), (2095, 118144), (2272, 108940), (2840, 87152), (3352, 73840), (3692, 67040), (4160, 59498), (4190, 59072), (4544, 54470), (4615, 53632), (5447, 45440), (5680, 43576), (6704, 36920), (7384, 33520), (8320, 29749), (8380, 29536), (9088, 27235), (9230, 26816), (10894, 22720), (11360, 21788), (13408, 18460), (14768, 16760)]