51619620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66179}}^1$

素因数の和:66204

約数の個数: 48

約数和(自身を含む): 155655360

約数和(自身を除く): 104035740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 66179, 132358, 198537, 264716, 330895, 397074, 661790, 794148, 860327, 992685, 1323580, 1720654, 1985370, 2580981, 3441308, 3970740, 4301635, 5161962, 8603270, 10323924, 12904905, 17206540, 25809810, 51619620]

約数ペア:

[(1, 51619620), (2, 25809810), (3, 17206540), (4, 12904905), (5, 10323924), (6, 8603270), (10, 5161962), (12, 4301635), (13, 3970740), (15, 3441308), (20, 2580981), (26, 1985370), (30, 1720654), (39, 1323580), (52, 992685), (60, 860327), (65, 794148), (78, 661790), (130, 397074), (156, 330895), (195, 264716), (260, 198537), (390, 132358), (780, 66179)]