15742760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 39726720

約数和(自身を除く): 23983960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 967, 1480, 1628, 1934, 2035, 3256, 3868, 4070, 4835, 7736, 8140, 9670, 10637, 16280, 19340, 21274, 35779, 38680, 42548, 53185, 71558, 85096, 106370, 143116, 178895, 212740, 286232, 357790, 393569, 425480, 715580, 787138, 1431160, 1574276, 1967845, 3148552, 3935690, 7871380, 15742760]

約数ペア:

[(1, 15742760), (2, 7871380), (4, 3935690), (5, 3148552), (8, 1967845), (10, 1574276), (11, 1431160), (20, 787138), (22, 715580), (37, 425480), (40, 393569), (44, 357790), (55, 286232), (74, 212740), (88, 178895), (110, 143116), (148, 106370), (185, 85096), (220, 71558), (296, 53185), (370, 42548), (407, 38680), (440, 35779), (740, 21274), (814, 19340), (967, 16280), (1480, 10637), (1628, 9670), (1934, 8140), (2035, 7736), (3256, 4835), (3868, 4070)]