259527040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 651755520

約数和(自身を除く): 392228480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 103, 124, 127, 128, 155, 160, 206, 248, 254, 310, 320, 412, 496, 508, 515, 620, 635, 640, 824, 992, 1016, 1030, 1240, 1270, 1648, 1984, 2032, 2060, 2480, 2540, 3193, 3296, 3937, 3968, 4064, 4120, 4960, 5080, 6386, 6592, 7874, 8128, 8240, 9920, 10160, 12772, 13081, 13184, 15748, 15965, 16256, 16480, 19685, 19840, 20320, 25544, 26162, 31496, 31930, 32960, 39370, 40640, 51088, 52324, 62992, 63860, 65405, 65920, 78740, 81280, 102176, 104648, 125984, 127720, 130810, 157480, 204352, 209296, 251968, 255440, 261620, 314960, 405511, 408704, 418592, 503936, 510880, 523240, 629920, 811022, 837184, 1021760, 1046480, 1259840, 1622044, 1674368, 2027555, 2043520, 2092960, 2519680, 3244088, 4055110, 4185920, 6488176, 8110220, 8371840, 12976352, 16220440, 25952704, 32440880, 51905408, 64881760, 129763520, 259527040]

約数ペア:

[(1, 259527040), (2, 129763520), (4, 64881760), (5, 51905408), (8, 32440880), (10, 25952704), (16, 16220440), (20, 12976352), (31, 8371840), (32, 8110220), (40, 6488176), (62, 4185920), (64, 4055110), (80, 3244088), (103, 2519680), (124, 2092960), (127, 2043520), (128, 2027555), (155, 1674368), (160, 1622044), (206, 1259840), (248, 1046480), (254, 1021760), (310, 837184), (320, 811022), (412, 629920), (496, 523240), (508, 510880), (515, 503936), (620, 418592), (635, 408704), (640, 405511), (824, 314960), (992, 261620), (1016, 255440), (1030, 251968), (1240, 209296), (1270, 204352), (1648, 157480), (1984, 130810), (2032, 127720), (2060, 125984), (2480, 104648), (2540, 102176), (3193, 81280), (3296, 78740), (3937, 65920), (3968, 65405), (4064, 63860), (4120, 62992), (4960, 52324), (5080, 51088), (6386, 40640), (6592, 39370), (7874, 32960), (8128, 31930), (8240, 31496), (9920, 26162), (10160, 25544), (12772, 20320), (13081, 19840), (13184, 19685), (15748, 16480), (15965, 16256)]