18715920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77983}}^1$

素因数の和:77999

約数の個数: 40

約数和(自身を含む): 58020096

約数和(自身を除く): 39304176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77983, 155966, 233949, 311932, 389915, 467898, 623864, 779830, 935796, 1169745, 1247728, 1559660, 1871592, 2339490, 3119320, 3743184, 4678980, 6238640, 9357960, 18715920]

約数ペア:

[(1, 18715920), (2, 9357960), (3, 6238640), (4, 4678980), (5, 3743184), (6, 3119320), (8, 2339490), (10, 1871592), (12, 1559660), (15, 1247728), (16, 1169745), (20, 935796), (24, 779830), (30, 623864), (40, 467898), (48, 389915), (60, 311932), (80, 233949), (120, 155966), (240, 77983)]