18808160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2399}}^1$

素因数の和:2428

約数の個数: 72

約数和(自身を含む): 51710400

約数和(自身を除く): 32902240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2399, 3920, 4798, 7840, 9596, 11995, 16793, 19192, 23990, 33586, 38384, 47980, 67172, 76768, 83965, 95960, 117551, 134344, 167930, 191920, 235102, 268688, 335860, 383840, 470204, 537376, 587755, 671720, 940408, 1175510, 1343440, 1880816, 2351020, 2686880, 3761632, 4702040, 9404080, 18808160]

約数ペア:

[(1, 18808160), (2, 9404080), (4, 4702040), (5, 3761632), (7, 2686880), (8, 2351020), (10, 1880816), (14, 1343440), (16, 1175510), (20, 940408), (28, 671720), (32, 587755), (35, 537376), (40, 470204), (49, 383840), (56, 335860), (70, 268688), (80, 235102), (98, 191920), (112, 167930), (140, 134344), (160, 117551), (196, 95960), (224, 83965), (245, 76768), (280, 67172), (392, 47980), (490, 38384), (560, 33586), (784, 23990), (980, 19192), (1120, 16793), (1568, 11995), (1960, 9596), (2399, 7840), (3920, 4798)]