678137220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{28759}}^1$

素因数の和:28905

約数の個数: 72

約数和(自身を含む): 2072790720

約数和(自身を除く): 1394653500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 11790, 23580, 28759, 57518, 86277, 115036, 143795, 172554, 258831, 287590, 345108, 431385, 517662, 575180, 862770, 1035324, 1294155, 1725540, 2588310, 3767429, 5176620, 7534858, 11302287, 15069716, 18837145, 22604574, 33906861, 37674290, 45209148, 56511435, 67813722, 75348580, 113022870, 135627444, 169534305, 226045740, 339068610, 678137220]

約数ペア:

[(1, 678137220), (2, 339068610), (3, 226045740), (4, 169534305), (5, 135627444), (6, 113022870), (9, 75348580), (10, 67813722), (12, 56511435), (15, 45209148), (18, 37674290), (20, 33906861), (30, 22604574), (36, 18837145), (45, 15069716), (60, 11302287), (90, 7534858), (131, 5176620), (180, 3767429), (262, 2588310), (393, 1725540), (524, 1294155), (655, 1035324), (786, 862770), (1179, 575180), (1310, 517662), (1572, 431385), (1965, 345108), (2358, 287590), (2620, 258831), (3930, 172554), (4716, 143795), (5895, 115036), (7860, 86277), (11790, 57518), (23580, 28759)]