172278180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5011}}^1$

素因数の和:5217

約数の個数: 72

約数和(自身を含む): 525417984

約数和(自身を除く): 353139804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1719, 1910, 2292, 2865, 3438, 3820, 5011, 5730, 6876, 8595, 10022, 11460, 15033, 17190, 20044, 25055, 30066, 34380, 45099, 50110, 60132, 75165, 90198, 100220, 150330, 180396, 225495, 300660, 450990, 901980, 957101, 1914202, 2871303, 3828404, 4785505, 5742606, 8613909, 9571010, 11485212, 14356515, 17227818, 19142020, 28713030, 34455636, 43069545, 57426060, 86139090, 172278180]

約数ペア:

[(1, 172278180), (2, 86139090), (3, 57426060), (4, 43069545), (5, 34455636), (6, 28713030), (9, 19142020), (10, 17227818), (12, 14356515), (15, 11485212), (18, 9571010), (20, 8613909), (30, 5742606), (36, 4785505), (45, 3828404), (60, 2871303), (90, 1914202), (180, 957101), (191, 901980), (382, 450990), (573, 300660), (764, 225495), (955, 180396), (1146, 150330), (1719, 100220), (1910, 90198), (2292, 75165), (2865, 60132), (3438, 50110), (3820, 45099), (5011, 34380), (5730, 30066), (6876, 25055), (8595, 20044), (10022, 17190), (11460, 15033)]