15886980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{88261}}^1$

素因数の和:88276

約数の個数: 36

約数和(自身を含む): 48191052

約数和(自身を除く): 32304072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 88261, 176522, 264783, 353044, 441305, 529566, 794349, 882610, 1059132, 1323915, 1588698, 1765220, 2647830, 3177396, 3971745, 5295660, 7943490, 15886980]

約数ペア:

[(1, 15886980), (2, 7943490), (3, 5295660), (4, 3971745), (5, 3177396), (6, 2647830), (9, 1765220), (10, 1588698), (12, 1323915), (15, 1059132), (18, 882610), (20, 794349), (30, 529566), (36, 441305), (45, 353044), (60, 264783), (90, 176522), (180, 88261)]