68080080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{857}}^1$

素因数の和:1204

約数の個数: 80

約数和(自身を含む): 211932864

約数和(自身を除く): 143852784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 857, 993, 1324, 1655, 1714, 1986, 2571, 2648, 3310, 3428, 3972, 4285, 4965, 5142, 5296, 6620, 6856, 7944, 8570, 9930, 10284, 12855, 13240, 13712, 15888, 17140, 19860, 20568, 25710, 26480, 34280, 39720, 41136, 51420, 68560, 79440, 102840, 205680, 283667, 567334, 851001, 1134668, 1418335, 1702002, 2269336, 2836670, 3404004, 4255005, 4538672, 5673340, 6808008, 8510010, 11346680, 13616016, 17020020, 22693360, 34040040, 68080080]

約数ペア:

[(1, 68080080), (2, 34040040), (3, 22693360), (4, 17020020), (5, 13616016), (6, 11346680), (8, 8510010), (10, 6808008), (12, 5673340), (15, 4538672), (16, 4255005), (20, 3404004), (24, 2836670), (30, 2269336), (40, 1702002), (48, 1418335), (60, 1134668), (80, 851001), (120, 567334), (240, 283667), (331, 205680), (662, 102840), (857, 79440), (993, 68560), (1324, 51420), (1655, 41136), (1714, 39720), (1986, 34280), (2571, 26480), (2648, 25710), (3310, 20568), (3428, 19860), (3972, 17140), (4285, 15888), (4965, 13712), (5142, 13240), (5296, 12855), (6620, 10284), (6856, 9930), (7944, 8570)]