8080080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 25337664

約数和(自身を除く): 17257584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 257, 262, 393, 514, 524, 655, 771, 786, 1028, 1048, 1285, 1310, 1542, 1572, 1965, 2056, 2096, 2570, 2620, 3084, 3144, 3855, 3930, 4112, 5140, 5240, 6168, 6288, 7710, 7860, 10280, 10480, 12336, 15420, 15720, 20560, 30840, 31440, 33667, 61680, 67334, 101001, 134668, 168335, 202002, 269336, 336670, 404004, 505005, 538672, 673340, 808008, 1010010, 1346680, 1616016, 2020020, 2693360, 4040040, 8080080]

約数ペア:

[(1, 8080080), (2, 4040040), (3, 2693360), (4, 2020020), (5, 1616016), (6, 1346680), (8, 1010010), (10, 808008), (12, 673340), (15, 538672), (16, 505005), (20, 404004), (24, 336670), (30, 269336), (40, 202002), (48, 168335), (60, 134668), (80, 101001), (120, 67334), (131, 61680), (240, 33667), (257, 31440), (262, 30840), (393, 20560), (514, 15720), (524, 15420), (655, 12336), (771, 10480), (786, 10280), (1028, 7860), (1048, 7710), (1285, 6288), (1310, 6168), (1542, 5240), (1572, 5140), (1965, 4112), (2056, 3930), (2096, 3855), (2570, 3144), (2620, 3084)]