18467120

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{673}}^1$

素因数の和:707

約数の個数: 80

約数和(自身を含む): 50145600

約数和(自身を除く): 31678480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 673, 686, 784, 980, 1346, 1372, 1715, 1960, 2692, 2744, 3365, 3430, 3920, 4711, 5384, 5488, 6730, 6860, 9422, 10768, 13460, 13720, 18844, 23555, 26920, 27440, 32977, 37688, 47110, 53840, 65954, 75376, 94220, 131908, 164885, 188440, 230839, 263816, 329770, 376880, 461678, 527632, 659540, 923356, 1154195, 1319080, 1846712, 2308390, 2638160, 3693424, 4616780, 9233560, 18467120]

約数ペア:

[(1, 18467120), (2, 9233560), (4, 4616780), (5, 3693424), (7, 2638160), (8, 2308390), (10, 1846712), (14, 1319080), (16, 1154195), (20, 923356), (28, 659540), (35, 527632), (40, 461678), (49, 376880), (56, 329770), (70, 263816), (80, 230839), (98, 188440), (112, 164885), (140, 131908), (196, 94220), (245, 75376), (280, 65954), (343, 53840), (392, 47110), (490, 37688), (560, 32977), (673, 27440), (686, 26920), (784, 23555), (980, 18844), (1346, 13720), (1372, 13460), (1715, 10768), (1960, 9422), (2692, 6860), (2744, 6730), (3365, 5488), (3430, 5384), (3920, 4711)]