315811440

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{20887}}^1$

素因数の和:20916

約数の個数: 160

約数和(自身を含む): 1243253760

約数和(自身を除く): 927442320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 20887, 41774, 62661, 83548, 104435, 125322, 146209, 167096, 187983, 208870, 250644, 292418, 313305, 334192, 375966, 417740, 438627, 501288, 563949, 584836, 626610, 731045, 751932, 835480, 877254, 939915, 1002576, 1127898, 1169672, 1253220, 1315881, 1462090, 1503864, 1670960, 1754508, 1879830, 2193135, 2255796, 2339344, 2506440, 2631762, 2819745, 2924180, 3007728, 3509016, 3759660, 3947643, 4386270, 4511592, 5012880, 5263524, 5639490, 5848360, 6579405, 7018032, 7519320, 7895286, 8772540, 9023184, 10527048, 11278980, 11696720, 13158810, 15038640, 15790572, 17545080, 19738215, 21054096, 22557960, 26317620, 31581144, 35090160, 39476430, 45115920, 52635240, 63162288, 78952860, 105270480, 157905720, 315811440]

約数ペア:

[(1, 315811440), (2, 157905720), (3, 105270480), (4, 78952860), (5, 63162288), (6, 52635240), (7, 45115920), (8, 39476430), (9, 35090160), (10, 31581144), (12, 26317620), (14, 22557960), (15, 21054096), (16, 19738215), (18, 17545080), (20, 15790572), (21, 15038640), (24, 13158810), (27, 11696720), (28, 11278980), (30, 10527048), (35, 9023184), (36, 8772540), (40, 7895286), (42, 7519320), (45, 7018032), (48, 6579405), (54, 5848360), (56, 5639490), (60, 5263524), (63, 5012880), (70, 4511592), (72, 4386270), (80, 3947643), (84, 3759660), (90, 3509016), (105, 3007728), (108, 2924180), (112, 2819745), (120, 2631762), (126, 2506440), (135, 2339344), (140, 2255796), (144, 2193135), (168, 1879830), (180, 1754508), (189, 1670960), (210, 1503864), (216, 1462090), (240, 1315881), (252, 1253220), (270, 1169672), (280, 1127898), (315, 1002576), (336, 939915), (360, 877254), (378, 835480), (420, 751932), (432, 731045), (504, 626610), (540, 584836), (560, 563949), (630, 501288), (720, 438627), (756, 417740), (840, 375966), (945, 334192), (1008, 313305), (1080, 292418), (1260, 250644), (1512, 208870), (1680, 187983), (1890, 167096), (2160, 146209), (2520, 125322), (3024, 104435), (3780, 83548), (5040, 62661), (7560, 41774), (15120, 20887)]