20180880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9343}}^1$

素因数の和:9365

約数の個数: 80

約数和(自身を含む): 69519360

約数和(自身を除く): 49338480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9343, 18686, 28029, 37372, 46715, 56058, 74744, 84087, 93430, 112116, 140145, 149488, 168174, 186860, 224232, 252261, 280290, 336348, 373720, 420435, 448464, 504522, 560580, 672696, 747440, 840870, 1009044, 1121160, 1261305, 1345392, 1681740, 2018088, 2242320, 2522610, 3363480, 4036176, 5045220, 6726960, 10090440, 20180880]

約数ペア:

[(1, 20180880), (2, 10090440), (3, 6726960), (4, 5045220), (5, 4036176), (6, 3363480), (8, 2522610), (9, 2242320), (10, 2018088), (12, 1681740), (15, 1345392), (16, 1261305), (18, 1121160), (20, 1009044), (24, 840870), (27, 747440), (30, 672696), (36, 560580), (40, 504522), (45, 448464), (48, 420435), (54, 373720), (60, 336348), (72, 280290), (80, 252261), (90, 224232), (108, 186860), (120, 168174), (135, 149488), (144, 140145), (180, 112116), (216, 93430), (240, 84087), (270, 74744), (360, 56058), (432, 46715), (540, 37372), (720, 28029), (1080, 18686), (2160, 9343)]