78715920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{327983}}^1$

素因数の和:327999

約数の個数: 40

約数和(自身を含む): 244020096

約数和(自身を除く): 165304176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 327983, 655966, 983949, 1311932, 1639915, 1967898, 2623864, 3279830, 3935796, 4919745, 5247728, 6559660, 7871592, 9839490, 13119320, 15743184, 19678980, 26238640, 39357960, 78715920]

約数ペア:

[(1, 78715920), (2, 39357960), (3, 26238640), (4, 19678980), (5, 15743184), (6, 13119320), (8, 9839490), (10, 7871592), (12, 6559660), (15, 5247728), (16, 4919745), (20, 3935796), (24, 3279830), (30, 2623864), (40, 1967898), (48, 1639915), (60, 1311932), (80, 983949), (120, 655966), (240, 327983)]