15977360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 43021056

約数和(自身を除く): 27043696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 277, 280, 412, 515, 554, 560, 721, 824, 1030, 1108, 1385, 1442, 1648, 1939, 2060, 2216, 2770, 2884, 3605, 3878, 4120, 4432, 5540, 5768, 7210, 7756, 8240, 9695, 11080, 11536, 14420, 15512, 19390, 22160, 28531, 28840, 31024, 38780, 57062, 57680, 77560, 114124, 142655, 155120, 199717, 228248, 285310, 399434, 456496, 570620, 798868, 998585, 1141240, 1597736, 1997170, 2282480, 3195472, 3994340, 7988680, 15977360]

約数ペア:

[(1, 15977360), (2, 7988680), (4, 3994340), (5, 3195472), (7, 2282480), (8, 1997170), (10, 1597736), (14, 1141240), (16, 998585), (20, 798868), (28, 570620), (35, 456496), (40, 399434), (56, 285310), (70, 228248), (80, 199717), (103, 155120), (112, 142655), (140, 114124), (206, 77560), (277, 57680), (280, 57062), (412, 38780), (515, 31024), (554, 28840), (560, 28531), (721, 22160), (824, 19390), (1030, 15512), (1108, 14420), (1385, 11536), (1442, 11080), (1648, 9695), (1939, 8240), (2060, 7756), (2216, 7210), (2770, 5768), (2884, 5540), (3605, 4432), (3878, 4120)]