90623820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{215771}}^1$

素因数の和:215790

約数の個数: 48

約数和(自身を含む): 289997568

約数和(自身を除く): 199373748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 215771, 431542, 647313, 863084, 1078855, 1294626, 1510397, 2157710, 2589252, 3020794, 3236565, 4315420, 4531191, 6041588, 6473130, 7551985, 9062382, 12946260, 15103970, 18124764, 22655955, 30207940, 45311910, 90623820]

約数ペア:

[(1, 90623820), (2, 45311910), (3, 30207940), (4, 22655955), (5, 18124764), (6, 15103970), (7, 12946260), (10, 9062382), (12, 7551985), (14, 6473130), (15, 6041588), (20, 4531191), (21, 4315420), (28, 3236565), (30, 3020794), (35, 2589252), (42, 2157710), (60, 1510397), (70, 1294626), (84, 1078855), (105, 863084), (140, 647313), (210, 431542), (420, 215771)]