31598820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15959}}^1$

素因数の和:15985

約数の個数: 72

約数和(自身を含む): 104569920

約数和(自身を除く): 72971100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15959, 31918, 47877, 63836, 79795, 95754, 143631, 159590, 175549, 191508, 239385, 287262, 319180, 351098, 478770, 526647, 574524, 702196, 718155, 877745, 957540, 1053294, 1436310, 1579941, 1755490, 2106588, 2633235, 2872620, 3159882, 3510980, 5266470, 6319764, 7899705, 10532940, 15799410, 31598820]

約数ペア:

[(1, 31598820), (2, 15799410), (3, 10532940), (4, 7899705), (5, 6319764), (6, 5266470), (9, 3510980), (10, 3159882), (11, 2872620), (12, 2633235), (15, 2106588), (18, 1755490), (20, 1579941), (22, 1436310), (30, 1053294), (33, 957540), (36, 877745), (44, 718155), (45, 702196), (55, 574524), (60, 526647), (66, 478770), (90, 351098), (99, 319180), (110, 287262), (132, 239385), (165, 191508), (180, 175549), (198, 159590), (220, 143631), (330, 95754), (396, 79795), (495, 63836), (660, 47877), (990, 31918), (1980, 15959)]