31257480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2579}}^1$

素因数の和:2694

約数の個数: 64

約数和(自身を含む): 94737600

約数和(自身を除く): 63480120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 2579, 3030, 4040, 5158, 6060, 7737, 10316, 12120, 12895, 15474, 20632, 25790, 30948, 38685, 51580, 61896, 77370, 103160, 154740, 260479, 309480, 520958, 781437, 1041916, 1302395, 1562874, 2083832, 2604790, 3125748, 3907185, 5209580, 6251496, 7814370, 10419160, 15628740, 31257480]

約数ペア:

[(1, 31257480), (2, 15628740), (3, 10419160), (4, 7814370), (5, 6251496), (6, 5209580), (8, 3907185), (10, 3125748), (12, 2604790), (15, 2083832), (20, 1562874), (24, 1302395), (30, 1041916), (40, 781437), (60, 520958), (101, 309480), (120, 260479), (202, 154740), (303, 103160), (404, 77370), (505, 61896), (606, 51580), (808, 38685), (1010, 30948), (1212, 25790), (1515, 20632), (2020, 15474), (2424, 12895), (2579, 12120), (3030, 10316), (4040, 7737), (5158, 6060)]