15316840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4973}}^1$

素因数の和:5002

約数の個数: 64

約数和(自身を含む): 42975360

約数和(自身を除く): 27658520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 4973, 9946, 19892, 24865, 34811, 39784, 49730, 54703, 69622, 99460, 109406, 139244, 174055, 198920, 218812, 273515, 278488, 348110, 382921, 437624, 547030, 696220, 765842, 1094060, 1392440, 1531684, 1914605, 2188120, 3063368, 3829210, 7658420, 15316840]

約数ペア:

[(1, 15316840), (2, 7658420), (4, 3829210), (5, 3063368), (7, 2188120), (8, 1914605), (10, 1531684), (11, 1392440), (14, 1094060), (20, 765842), (22, 696220), (28, 547030), (35, 437624), (40, 382921), (44, 348110), (55, 278488), (56, 273515), (70, 218812), (77, 198920), (88, 174055), (110, 139244), (140, 109406), (154, 99460), (220, 69622), (280, 54703), (308, 49730), (385, 39784), (440, 34811), (616, 24865), (770, 19892), (1540, 9946), (3080, 4973)]