123669215080

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1009}}^1\times {\mathrm{7877}}^1$

素因数の和:9286

約数の個数: 64

約数和(自身を含む): 279282978000

約数和(自身を除く): 155613762920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1009, 1556, 1945, 2018, 3112, 3890, 4036, 5045, 7780, 7877, 8072, 10090, 15560, 15754, 20180, 31508, 39385, 40360, 63016, 78770, 157540, 315080, 392501, 785002, 1570004, 1962505, 3064153, 3140008, 3925010, 6128306, 7850020, 7947893, 12256612, 15320765, 15700040, 15895786, 24513224, 30641530, 31791572, 39739465, 61283060, 63583144, 79478930, 122566120, 158957860, 317915720, 3091730377, 6183460754, 12366921508, 15458651885, 24733843016, 30917303770, 61834607540, 123669215080]

約数ペア:

[(1, 123669215080), (2, 61834607540), (4, 30917303770), (5, 24733843016), (8, 15458651885), (10, 12366921508), (20, 6183460754), (40, 3091730377), (389, 317915720), (778, 158957860), (1009, 122566120), (1556, 79478930), (1945, 63583144), (2018, 61283060), (3112, 39739465), (3890, 31791572), (4036, 30641530), (5045, 24513224), (7780, 15895786), (7877, 15700040), (8072, 15320765), (10090, 12256612), (15560, 7947893), (15754, 7850020), (20180, 6128306), (31508, 3925010), (39385, 3140008), (40360, 3064153), (63016, 1962505), (78770, 1570004), (157540, 785002), (315080, 392501)]