15355920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 48121920

約数和(自身を除く): 32766000

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, 545, 587, 654, 872, 1090, 1174, 1308, 1635, 1744, 1761, 2180, 2348, 2616, 2935, 3270, 3522, 4360, 4696, 5232, 5870, 6540, 7044, 8720, 8805, 9392, 11740, 13080, 14088, 17610, 23480, 26160, 28176, 35220, 46960, 63983, 70440, 127966, 140880, 191949, 255932, 319915, 383898, 511864, 639830, 767796, 959745, 1023728, 1279660, 1535592, 1919490, 2559320, 3071184, 3838980, 5118640, 7677960, 15355920]

約数ペア:

[(1, 15355920), (2, 7677960), (3, 5118640), (4, 3838980), (5, 3071184), (6, 2559320), (8, 1919490), (10, 1535592), (12, 1279660), (15, 1023728), (16, 959745), (20, 767796), (24, 639830), (30, 511864), (40, 383898), (48, 319915), (60, 255932), (80, 191949), (109, 140880), (120, 127966), (218, 70440), (240, 63983), (327, 46960), (436, 35220), (545, 28176), (587, 26160), (654, 23480), (872, 17610), (1090, 14088), (1174, 13080), (1308, 11740), (1635, 9392), (1744, 8805), (1761, 8720), (2180, 7044), (2348, 6540), (2616, 5870), (2935, 5232), (3270, 4696), (3522, 4360)]