1019991280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{15053}}^1$

素因数の和:15095

約数の個数: 120

約数和(自身を含む): 2979246816

約数和(自身を除く): 1959255536

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1210, 1232, 1540, 1694, 1936, 2420, 3080, 3388, 4235, 4840, 6160, 6776, 8470, 9680, 13552, 15053, 16940, 30106, 33880, 60212, 67760, 75265, 105371, 120424, 150530, 165583, 210742, 240848, 301060, 331166, 421484, 526855, 602120, 662332, 827915, 842968, 1053710, 1159081, 1204240, 1324664, 1655830, 1685936, 1821413, 2107420, 2318162, 2649328, 3311660, 3642826, 4214840, 4636324, 5795405, 6623320, 7285652, 8429680, 9107065, 9272648, 11590810, 12749891, 13246640, 14571304, 18214130, 18545296, 23181620, 25499782, 29142608, 36428260, 46363240, 50999564, 63749455, 72856520, 92726480, 101999128, 127498910, 145713040, 203998256, 254997820, 509995640, 1019991280]

約数ペア:

[(1, 1019991280), (2, 509995640), (4, 254997820), (5, 203998256), (7, 145713040), (8, 127498910), (10, 101999128), (11, 92726480), (14, 72856520), (16, 63749455), (20, 50999564), (22, 46363240), (28, 36428260), (35, 29142608), (40, 25499782), (44, 23181620), (55, 18545296), (56, 18214130), (70, 14571304), (77, 13246640), (80, 12749891), (88, 11590810), (110, 9272648), (112, 9107065), (121, 8429680), (140, 7285652), (154, 6623320), (176, 5795405), (220, 4636324), (242, 4214840), (280, 3642826), (308, 3311660), (385, 2649328), (440, 2318162), (484, 2107420), (560, 1821413), (605, 1685936), (616, 1655830), (770, 1324664), (847, 1204240), (880, 1159081), (968, 1053710), (1210, 842968), (1232, 827915), (1540, 662332), (1694, 602120), (1936, 526855), (2420, 421484), (3080, 331166), (3388, 301060), (4235, 240848), (4840, 210742), (6160, 165583), (6776, 150530), (8470, 120424), (9680, 105371), (13552, 75265), (15053, 67760), (16940, 60212), (30106, 33880)]