16978140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1367}}^1$

素因数の和:1408

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 38179620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1367, 1380, 2070, 2484, 2734, 3105, 4101, 4140, 5468, 6210, 6835, 8202, 12303, 12420, 13670, 16404, 20505, 24606, 27340, 31441, 36909, 41010, 49212, 61515, 62882, 73818, 82020, 94323, 123030, 125764, 147636, 157205, 184545, 188646, 246060, 282969, 314410, 369090, 377292, 471615, 565938, 628820, 738180, 848907, 943230, 1131876, 1414845, 1697814, 1886460, 2829690, 3395628, 4244535, 5659380, 8489070, 16978140]

約数ペア:

[(1, 16978140), (2, 8489070), (3, 5659380), (4, 4244535), (5, 3395628), (6, 2829690), (9, 1886460), (10, 1697814), (12, 1414845), (15, 1131876), (18, 943230), (20, 848907), (23, 738180), (27, 628820), (30, 565938), (36, 471615), (45, 377292), (46, 369090), (54, 314410), (60, 282969), (69, 246060), (90, 188646), (92, 184545), (108, 157205), (115, 147636), (135, 125764), (138, 123030), (180, 94323), (207, 82020), (230, 73818), (270, 62882), (276, 61515), (345, 49212), (414, 41010), (460, 36909), (540, 31441), (621, 27340), (690, 24606), (828, 20505), (1035, 16404), (1242, 13670), (1367, 12420), (1380, 12303), (2070, 8202), (2484, 6835), (2734, 6210), (3105, 5468), (4101, 4140)]