90638520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107903}}^1$

素因数の和:107924

約数の個数: 64

約数和(自身を含む): 310763520

約数和(自身を除く): 220125000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 107903, 215806, 323709, 431612, 539515, 647418, 755321, 863224, 1079030, 1294836, 1510642, 1618545, 2158060, 2265963, 2589672, 3021284, 3237090, 3776605, 4316120, 4531926, 6042568, 6474180, 7553210, 9063852, 11329815, 12948360, 15106420, 18127704, 22659630, 30212840, 45319260, 90638520]

約数ペア:

[(1, 90638520), (2, 45319260), (3, 30212840), (4, 22659630), (5, 18127704), (6, 15106420), (7, 12948360), (8, 11329815), (10, 9063852), (12, 7553210), (14, 6474180), (15, 6042568), (20, 4531926), (21, 4316120), (24, 3776605), (28, 3237090), (30, 3021284), (35, 2589672), (40, 2265963), (42, 2158060), (56, 1618545), (60, 1510642), (70, 1294836), (84, 1079030), (105, 863224), (120, 755321), (140, 647418), (168, 539515), (210, 431612), (280, 323709), (420, 215806), (840, 107903)]