162679720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2053}}^1$

素因数の和:2354

約数の個数: 64

約数和(自身を含む): 420001920

約数和(自身を除く): 257322200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 566, 1132, 1415, 1981, 2053, 2264, 2830, 3962, 4106, 5660, 7924, 8212, 9905, 10265, 11320, 14371, 15848, 16424, 19810, 20530, 28742, 39620, 41060, 57484, 71855, 79240, 82120, 114968, 143710, 287420, 574840, 580999, 1161998, 2323996, 2904995, 4066993, 4647992, 5809990, 8133986, 11619980, 16267972, 20334965, 23239960, 32535944, 40669930, 81339860, 162679720]

約数ペア:

[(1, 162679720), (2, 81339860), (4, 40669930), (5, 32535944), (7, 23239960), (8, 20334965), (10, 16267972), (14, 11619980), (20, 8133986), (28, 5809990), (35, 4647992), (40, 4066993), (56, 2904995), (70, 2323996), (140, 1161998), (280, 580999), (283, 574840), (566, 287420), (1132, 143710), (1415, 114968), (1981, 82120), (2053, 79240), (2264, 71855), (2830, 57484), (3962, 41060), (4106, 39620), (5660, 28742), (7924, 20530), (8212, 19810), (9905, 16424), (10265, 15848), (11320, 14371)]