90231840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{20887}}^1$

素因数の和:20911

約数の個数: 96

約数和(自身を含む): 315826560

約数和(自身を除く): 225594720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 20887, 41774, 62661, 83548, 104435, 125322, 167096, 187983, 208870, 250644, 313305, 334192, 375966, 417740, 501288, 563949, 626610, 668384, 751932, 835480, 939915, 1002576, 1127898, 1253220, 1503864, 1670960, 1879830, 2005152, 2255796, 2506440, 2819745, 3007728, 3341920, 3759660, 4511592, 5012880, 5639490, 6015456, 7519320, 9023184, 10025760, 11278980, 15038640, 18046368, 22557960, 30077280, 45115920, 90231840]

約数ペア:

[(1, 90231840), (2, 45115920), (3, 30077280), (4, 22557960), (5, 18046368), (6, 15038640), (8, 11278980), (9, 10025760), (10, 9023184), (12, 7519320), (15, 6015456), (16, 5639490), (18, 5012880), (20, 4511592), (24, 3759660), (27, 3341920), (30, 3007728), (32, 2819745), (36, 2506440), (40, 2255796), (45, 2005152), (48, 1879830), (54, 1670960), (60, 1503864), (72, 1253220), (80, 1127898), (90, 1002576), (96, 939915), (108, 835480), (120, 751932), (135, 668384), (144, 626610), (160, 563949), (180, 501288), (216, 417740), (240, 375966), (270, 334192), (288, 313305), (360, 250644), (432, 208870), (480, 187983), (540, 167096), (720, 125322), (864, 104435), (1080, 83548), (1440, 62661), (2160, 41774), (4320, 20887)]