28004280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2141}}^1$

素因数の和:2264

約数の個数: 64

約数和(自身を含む): 84823200

約数和(自身を除く): 56818920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1635, 2141, 2180, 2616, 3270, 4282, 4360, 6423, 6540, 8564, 10705, 12846, 13080, 17128, 21410, 25692, 32115, 42820, 51384, 64230, 85640, 128460, 233369, 256920, 466738, 700107, 933476, 1166845, 1400214, 1866952, 2333690, 2800428, 3500535, 4667380, 5600856, 7001070, 9334760, 14002140, 28004280]

約数ペア:

[(1, 28004280), (2, 14002140), (3, 9334760), (4, 7001070), (5, 5600856), (6, 4667380), (8, 3500535), (10, 2800428), (12, 2333690), (15, 1866952), (20, 1400214), (24, 1166845), (30, 933476), (40, 700107), (60, 466738), (109, 256920), (120, 233369), (218, 128460), (327, 85640), (436, 64230), (545, 51384), (654, 42820), (872, 32115), (1090, 25692), (1308, 21410), (1635, 17128), (2141, 13080), (2180, 12846), (2616, 10705), (3270, 8564), (4282, 6540), (4360, 6423)]