155608740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123499}}^1$

素因数の和:123521

約数の個数: 72

約数和(自身を含む): 539448000

約数和(自身を除く): 383839260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 123499, 246998, 370497, 493996, 617495, 740994, 864493, 1111491, 1234990, 1481988, 1728986, 1852485, 2222982, 2469980, 2593479, 3457972, 3704970, 4322465, 4445964, 5186958, 5557455, 7409940, 7780437, 8644930, 10373916, 11114910, 12967395, 15560874, 17289860, 22229820, 25934790, 31121748, 38902185, 51869580, 77804370, 155608740]

約数ペア:

[(1, 155608740), (2, 77804370), (3, 51869580), (4, 38902185), (5, 31121748), (6, 25934790), (7, 22229820), (9, 17289860), (10, 15560874), (12, 12967395), (14, 11114910), (15, 10373916), (18, 8644930), (20, 7780437), (21, 7409940), (28, 5557455), (30, 5186958), (35, 4445964), (36, 4322465), (42, 3704970), (45, 3457972), (60, 2593479), (63, 2469980), (70, 2222982), (84, 1852485), (90, 1728986), (105, 1481988), (126, 1234990), (140, 1111491), (180, 864493), (210, 740994), (252, 617495), (315, 493996), (420, 370497), (630, 246998), (1260, 123499)]