78255480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1549}}^1$

素因数の和:1984

約数の個数: 64

約数和(自身を含む): 235476000

約数和(自身を除く): 157220520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1549, 1684, 2105, 2526, 3098, 3368, 4210, 4647, 5052, 6196, 6315, 7745, 8420, 9294, 10104, 12392, 12630, 15490, 16840, 18588, 23235, 25260, 30980, 37176, 46470, 50520, 61960, 92940, 185880, 652129, 1304258, 1956387, 2608516, 3260645, 3912774, 5217032, 6521290, 7825548, 9781935, 13042580, 15651096, 19563870, 26085160, 39127740, 78255480]

約数ペア:

[(1, 78255480), (2, 39127740), (3, 26085160), (4, 19563870), (5, 15651096), (6, 13042580), (8, 9781935), (10, 7825548), (12, 6521290), (15, 5217032), (20, 3912774), (24, 3260645), (30, 2608516), (40, 1956387), (60, 1304258), (120, 652129), (421, 185880), (842, 92940), (1263, 61960), (1549, 50520), (1684, 46470), (2105, 37176), (2526, 30980), (3098, 25260), (3368, 23235), (4210, 18588), (4647, 16840), (5052, 15490), (6196, 12630), (6315, 12392), (7745, 10104), (8420, 9294)]