260702120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 699494400

約数和(自身を除く): 438792280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 59, 70, 86, 118, 140, 172, 215, 236, 280, 295, 301, 344, 367, 413, 430, 472, 590, 602, 734, 826, 860, 1180, 1204, 1468, 1505, 1652, 1720, 1835, 2065, 2360, 2408, 2537, 2569, 2936, 3010, 3304, 3670, 4130, 5074, 5138, 6020, 7340, 8260, 10148, 10276, 12040, 12685, 12845, 14680, 15781, 16520, 17759, 20296, 20552, 21653, 25370, 25690, 31562, 35518, 43306, 50740, 51380, 63124, 71036, 78905, 86612, 88795, 101480, 102760, 108265, 110467, 126248, 142072, 151571, 157810, 173224, 177590, 216530, 220934, 303142, 315620, 355180, 433060, 441868, 552335, 606284, 631240, 710360, 757855, 866120, 883736, 931079, 1104670, 1212568, 1515710, 1862158, 2209340, 3031420, 3724316, 4418680, 4655395, 6062840, 6517553, 7448632, 9310790, 13035106, 18621580, 26070212, 32587765, 37243160, 52140424, 65175530, 130351060, 260702120]

約数ペア:

[(1, 260702120), (2, 130351060), (4, 65175530), (5, 52140424), (7, 37243160), (8, 32587765), (10, 26070212), (14, 18621580), (20, 13035106), (28, 9310790), (35, 7448632), (40, 6517553), (43, 6062840), (56, 4655395), (59, 4418680), (70, 3724316), (86, 3031420), (118, 2209340), (140, 1862158), (172, 1515710), (215, 1212568), (236, 1104670), (280, 931079), (295, 883736), (301, 866120), (344, 757855), (367, 710360), (413, 631240), (430, 606284), (472, 552335), (590, 441868), (602, 433060), (734, 355180), (826, 315620), (860, 303142), (1180, 220934), (1204, 216530), (1468, 177590), (1505, 173224), (1652, 157810), (1720, 151571), (1835, 142072), (2065, 126248), (2360, 110467), (2408, 108265), (2537, 102760), (2569, 101480), (2936, 88795), (3010, 86612), (3304, 78905), (3670, 71036), (4130, 63124), (5074, 51380), (5138, 50740), (6020, 43306), (7340, 35518), (8260, 31562), (10148, 25690), (10276, 25370), (12040, 21653), (12685, 20552), (12845, 20296), (14680, 17759), (15781, 16520)]