12739920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 39937920

約数和(自身を除く): 27198000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 487, 545, 654, 872, 974, 1090, 1308, 1461, 1635, 1744, 1948, 2180, 2435, 2616, 2922, 3270, 3896, 4360, 4870, 5232, 5844, 6540, 7305, 7792, 8720, 9740, 11688, 13080, 14610, 19480, 23376, 26160, 29220, 38960, 53083, 58440, 106166, 116880, 159249, 212332, 265415, 318498, 424664, 530830, 636996, 796245, 849328, 1061660, 1273992, 1592490, 2123320, 2547984, 3184980, 4246640, 6369960, 12739920]

約数ペア:

[(1, 12739920), (2, 6369960), (3, 4246640), (4, 3184980), (5, 2547984), (6, 2123320), (8, 1592490), (10, 1273992), (12, 1061660), (15, 849328), (16, 796245), (20, 636996), (24, 530830), (30, 424664), (40, 318498), (48, 265415), (60, 212332), (80, 159249), (109, 116880), (120, 106166), (218, 58440), (240, 53083), (327, 38960), (436, 29220), (487, 26160), (545, 23376), (654, 19480), (872, 14610), (974, 13080), (1090, 11688), (1308, 9740), (1461, 8720), (1635, 7792), (1744, 7305), (1948, 6540), (2180, 5844), (2435, 5232), (2616, 4870), (2922, 4360), (3270, 3896)]