280443680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2017}}^1$

素因数の和:2122

約数の個数: 96

約数和(自身を含む): 732291840

約数和(自身を除く): 451848160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 79, 80, 88, 110, 158, 160, 176, 220, 316, 352, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 1760, 2017, 2528, 3160, 3476, 4034, 4345, 6320, 6952, 8068, 8690, 10085, 12640, 13904, 16136, 17380, 20170, 22187, 27808, 32272, 34760, 40340, 44374, 64544, 69520, 80680, 88748, 110935, 139040, 159343, 161360, 177496, 221870, 318686, 322720, 354992, 443740, 637372, 709984, 796715, 887480, 1274744, 1593430, 1752773, 1774960, 2549488, 3186860, 3505546, 3549920, 5098976, 6373720, 7011092, 8763865, 12747440, 14022184, 17527730, 25494880, 28044368, 35055460, 56088736, 70110920, 140221840, 280443680]

約数ペア:

[(1, 280443680), (2, 140221840), (4, 70110920), (5, 56088736), (8, 35055460), (10, 28044368), (11, 25494880), (16, 17527730), (20, 14022184), (22, 12747440), (32, 8763865), (40, 7011092), (44, 6373720), (55, 5098976), (79, 3549920), (80, 3505546), (88, 3186860), (110, 2549488), (158, 1774960), (160, 1752773), (176, 1593430), (220, 1274744), (316, 887480), (352, 796715), (395, 709984), (440, 637372), (632, 443740), (790, 354992), (869, 322720), (880, 318686), (1264, 221870), (1580, 177496), (1738, 161360), (1760, 159343), (2017, 139040), (2528, 110935), (3160, 88748), (3476, 80680), (4034, 69520), (4345, 64544), (6320, 44374), (6952, 40340), (8068, 34760), (8690, 32272), (10085, 27808), (12640, 22187), (13904, 20170), (16136, 17380)]