28290420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2153}}^1$

素因数の和:2241

約数の個数: 72

約数和(自身を含む): 87030216

約数和(自身を除く): 58739796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2153, 2190, 2628, 3285, 4306, 4380, 6459, 6570, 8612, 10765, 12918, 13140, 19377, 21530, 25836, 32295, 38754, 43060, 64590, 77508, 96885, 129180, 157169, 193770, 314338, 387540, 471507, 628676, 785845, 943014, 1414521, 1571690, 1886028, 2357535, 2829042, 3143380, 4715070, 5658084, 7072605, 9430140, 14145210, 28290420]

約数ペア:

[(1, 28290420), (2, 14145210), (3, 9430140), (4, 7072605), (5, 5658084), (6, 4715070), (9, 3143380), (10, 2829042), (12, 2357535), (15, 1886028), (18, 1571690), (20, 1414521), (30, 943014), (36, 785845), (45, 628676), (60, 471507), (73, 387540), (90, 314338), (146, 193770), (180, 157169), (219, 129180), (292, 96885), (365, 77508), (438, 64590), (657, 43060), (730, 38754), (876, 32295), (1095, 25836), (1314, 21530), (1460, 19377), (2153, 13140), (2190, 12918), (2628, 10765), (3285, 8612), (4306, 6570), (4380, 6459)]