31186160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1050

約数の個数: 80

約数和(自身を含む): 80191296

約数和(自身を除く): 49005136

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 997, 1360, 1564, 1840, 1955, 1994, 3128, 3910, 3988, 4985, 6256, 7820, 7976, 9970, 15640, 15952, 16949, 19940, 22931, 31280, 33898, 39880, 45862, 67796, 79760, 84745, 91724, 114655, 135592, 169490, 183448, 229310, 271184, 338980, 366896, 389827, 458620, 677960, 779654, 917240, 1355920, 1559308, 1834480, 1949135, 3118616, 3898270, 6237232, 7796540, 15593080, 31186160]

約数ペア:

[(1, 31186160), (2, 15593080), (4, 7796540), (5, 6237232), (8, 3898270), (10, 3118616), (16, 1949135), (17, 1834480), (20, 1559308), (23, 1355920), (34, 917240), (40, 779654), (46, 677960), (68, 458620), (80, 389827), (85, 366896), (92, 338980), (115, 271184), (136, 229310), (170, 183448), (184, 169490), (230, 135592), (272, 114655), (340, 91724), (368, 84745), (391, 79760), (460, 67796), (680, 45862), (782, 39880), (920, 33898), (997, 31280), (1360, 22931), (1564, 19940), (1840, 16949), (1955, 15952), (1994, 15640), (3128, 9970), (3910, 7976), (3988, 7820), (4985, 6256)]