77210820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{15887}}^1$

素因数の和:15911

約数の個数: 72

約数和(自身を含む): 242895744

約数和(自身を除く): 165684924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 15887, 31774, 47661, 63548, 79435, 95322, 142983, 158870, 190644, 238305, 285966, 317740, 428949, 476610, 571932, 714915, 857898, 953220, 1286847, 1429830, 1715796, 2144745, 2573694, 2859660, 3860541, 4289490, 5147388, 6434235, 7721082, 8578980, 12868470, 15442164, 19302705, 25736940, 38605410, 77210820]

約数ペア:

[(1, 77210820), (2, 38605410), (3, 25736940), (4, 19302705), (5, 15442164), (6, 12868470), (9, 8578980), (10, 7721082), (12, 6434235), (15, 5147388), (18, 4289490), (20, 3860541), (27, 2859660), (30, 2573694), (36, 2144745), (45, 1715796), (54, 1429830), (60, 1286847), (81, 953220), (90, 857898), (108, 714915), (135, 571932), (162, 476610), (180, 428949), (243, 317740), (270, 285966), (324, 238305), (405, 190644), (486, 158870), (540, 142983), (810, 95322), (972, 79435), (1215, 63548), (1620, 47661), (2430, 31774), (4860, 15887)]