79840980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443561}}^1$

素因数の和:443576

約数の個数: 36

約数和(自身を含む): 242184852

約数和(自身を除く): 162343872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443561, 887122, 1330683, 1774244, 2217805, 2661366, 3992049, 4435610, 5322732, 6653415, 7984098, 8871220, 13306830, 15968196, 19960245, 26613660, 39920490, 79840980]

約数ペア:

[(1, 79840980), (2, 39920490), (3, 26613660), (4, 19960245), (5, 15968196), (6, 13306830), (9, 8871220), (10, 7984098), (12, 6653415), (15, 5322732), (18, 4435610), (20, 3992049), (30, 2661366), (36, 2217805), (45, 1774244), (60, 1330683), (90, 887122), (180, 443561)]