18231240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1093}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 55137600

約数和(自身を除く): 36906360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1093, 1112, 1390, 1668, 2085, 2186, 2780, 3279, 3336, 4170, 4372, 5465, 5560, 6558, 8340, 8744, 10930, 13116, 16395, 16680, 21860, 26232, 32790, 43720, 65580, 131160, 151927, 303854, 455781, 607708, 759635, 911562, 1215416, 1519270, 1823124, 2278905, 3038540, 3646248, 4557810, 6077080, 9115620, 18231240]

約数ペア:

[(1, 18231240), (2, 9115620), (3, 6077080), (4, 4557810), (5, 3646248), (6, 3038540), (8, 2278905), (10, 1823124), (12, 1519270), (15, 1215416), (20, 911562), (24, 759635), (30, 607708), (40, 455781), (60, 303854), (120, 151927), (139, 131160), (278, 65580), (417, 43720), (556, 32790), (695, 26232), (834, 21860), (1093, 16680), (1112, 16395), (1390, 13116), (1668, 10930), (2085, 8744), (2186, 8340), (2780, 6558), (3279, 5560), (3336, 5465), (4170, 4372)]