427132020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{145283}}^1$

素因数の和:145309

約数の個数: 72

約数和(自身を含む): 1391239584

約数和(自身を除く): 964107564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 145283, 290566, 435849, 581132, 726415, 871698, 1016981, 1452830, 1743396, 2033962, 2179245, 2905660, 3050943, 4067924, 4358490, 5084905, 6101886, 7118867, 8716980, 10169810, 12203772, 14237734, 15254715, 20339620, 21356601, 28475468, 30509430, 35594335, 42713202, 61018860, 71188670, 85426404, 106783005, 142377340, 213566010, 427132020]

約数ペア:

[(1, 427132020), (2, 213566010), (3, 142377340), (4, 106783005), (5, 85426404), (6, 71188670), (7, 61018860), (10, 42713202), (12, 35594335), (14, 30509430), (15, 28475468), (20, 21356601), (21, 20339620), (28, 15254715), (30, 14237734), (35, 12203772), (42, 10169810), (49, 8716980), (60, 7118867), (70, 6101886), (84, 5084905), (98, 4358490), (105, 4067924), (140, 3050943), (147, 2905660), (196, 2179245), (210, 2033962), (245, 1743396), (294, 1452830), (420, 1016981), (490, 871698), (588, 726415), (735, 581132), (980, 435849), (1470, 290566), (2940, 145283)]