87284820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{207821}}^1$

素因数の和:207840

約数の個数: 48

約数和(自身を含む): 279312768

約数和(自身を除く): 192027948

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, 207821, 415642, 623463, 831284, 1039105, 1246926, 1454747, 2078210, 2493852, 2909494, 3117315, 4156420, 4364241, 5818988, 6234630, 7273735, 8728482, 12469260, 14547470, 17456964, 21821205, 29094940, 43642410, 87284820]

約数ペア:

[(1, 87284820), (2, 43642410), (3, 29094940), (4, 21821205), (5, 17456964), (6, 14547470), (7, 12469260), (10, 8728482), (12, 7273735), (14, 6234630), (15, 5818988), (20, 4364241), (21, 4156420), (28, 3117315), (30, 2909494), (35, 2493852), (42, 2078210), (60, 1454747), (70, 1246926), (84, 1039105), (105, 831284), (140, 623463), (210, 415642), (420, 207821)]