210540960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20887}}^1$

素因数の和:20915

約数の個数: 144

約数和(自身を含む): 821149056

約数和(自身を除く): 610608096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20887, 41774, 62661, 83548, 104435, 125322, 146209, 167096, 187983, 208870, 250644, 292418, 313305, 334192, 375966, 417740, 438627, 501288, 584836, 626610, 668384, 731045, 751932, 835480, 877254, 939915, 1002576, 1169672, 1253220, 1315881, 1462090, 1503864, 1670960, 1754508, 1879830, 2005152, 2193135, 2339344, 2506440, 2631762, 2924180, 3007728, 3341920, 3509016, 3759660, 4386270, 4678688, 5012880, 5263524, 5848360, 6015456, 6579405, 7018032, 7519320, 8772540, 10025760, 10527048, 11696720, 13158810, 14036064, 15038640, 17545080, 21054096, 23393440, 26317620, 30077280, 35090160, 42108192, 52635240, 70180320, 105270480, 210540960]

約数ペア:

[(1, 210540960), (2, 105270480), (3, 70180320), (4, 52635240), (5, 42108192), (6, 35090160), (7, 30077280), (8, 26317620), (9, 23393440), (10, 21054096), (12, 17545080), (14, 15038640), (15, 14036064), (16, 13158810), (18, 11696720), (20, 10527048), (21, 10025760), (24, 8772540), (28, 7519320), (30, 7018032), (32, 6579405), (35, 6015456), (36, 5848360), (40, 5263524), (42, 5012880), (45, 4678688), (48, 4386270), (56, 3759660), (60, 3509016), (63, 3341920), (70, 3007728), (72, 2924180), (80, 2631762), (84, 2506440), (90, 2339344), (96, 2193135), (105, 2005152), (112, 1879830), (120, 1754508), (126, 1670960), (140, 1503864), (144, 1462090), (160, 1315881), (168, 1253220), (180, 1169672), (210, 1002576), (224, 939915), (240, 877254), (252, 835480), (280, 751932), (288, 731045), (315, 668384), (336, 626610), (360, 584836), (420, 501288), (480, 438627), (504, 417740), (560, 375966), (630, 334192), (672, 313305), (720, 292418), (840, 250644), (1008, 208870), (1120, 187983), (1260, 167096), (1440, 146209), (1680, 125322), (2016, 104435), (2520, 83548), (3360, 62661), (5040, 41774), (10080, 20887)]