15980220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 50379840

約数和(自身を除く): 34399620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 101, 108, 135, 180, 202, 270, 293, 303, 404, 505, 540, 586, 606, 879, 909, 1010, 1172, 1212, 1465, 1515, 1758, 1818, 2020, 2637, 2727, 2930, 3030, 3516, 3636, 4395, 4545, 5274, 5454, 5860, 6060, 7911, 8790, 9090, 10548, 10908, 13185, 13635, 15822, 17580, 18180, 26370, 27270, 29593, 31644, 39555, 52740, 54540, 59186, 79110, 88779, 118372, 147965, 158220, 177558, 266337, 295930, 355116, 443895, 532674, 591860, 799011, 887790, 1065348, 1331685, 1598022, 1775580, 2663370, 3196044, 3995055, 5326740, 7990110, 15980220]

約数ペア:

[(1, 15980220), (2, 7990110), (3, 5326740), (4, 3995055), (5, 3196044), (6, 2663370), (9, 1775580), (10, 1598022), (12, 1331685), (15, 1065348), (18, 887790), (20, 799011), (27, 591860), (30, 532674), (36, 443895), (45, 355116), (54, 295930), (60, 266337), (90, 177558), (101, 158220), (108, 147965), (135, 118372), (180, 88779), (202, 79110), (270, 59186), (293, 54540), (303, 52740), (404, 39555), (505, 31644), (540, 29593), (586, 27270), (606, 26370), (879, 18180), (909, 17580), (1010, 15822), (1172, 13635), (1212, 13185), (1465, 10908), (1515, 10548), (1758, 9090), (1818, 8790), (2020, 7911), (2637, 6060), (2727, 5860), (2930, 5454), (3030, 5274), (3516, 4545), (3636, 4395)]