257715666420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1\times {\mathrm{61757}}^1$

素因数の和:62369

約数の個数: 96

約数和(自身を含む): 727851132288

約数和(自身を除く): 470135465868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 443, 471, 628, 785, 886, 942, 1329, 1570, 1772, 1884, 2215, 2355, 2658, 3140, 4430, 4710, 5316, 6645, 8860, 9420, 13290, 26580, 61757, 69551, 123514, 139102, 185271, 208653, 247028, 278204, 308785, 347755, 370542, 417306, 617570, 695510, 741084, 834612, 926355, 1043265, 1235140, 1391020, 1852710, 2086530, 3705420, 4173060, 9695849, 19391698, 27358351, 29087547, 38783396, 48479245, 54716702, 58175094, 82075053, 96958490, 109433404, 116350188, 136791755, 145437735, 164150106, 193916980, 273583510, 290875470, 328300212, 410375265, 547167020, 581750940, 820750530, 1641501060, 4295261107, 8590522214, 12885783321, 17181044428, 21476305535, 25771566642, 42952611070, 51543133284, 64428916605, 85905222140, 128857833210, 257715666420]

約数ペア:

[(1, 257715666420), (2, 128857833210), (3, 85905222140), (4, 64428916605), (5, 51543133284), (6, 42952611070), (10, 25771566642), (12, 21476305535), (15, 17181044428), (20, 12885783321), (30, 8590522214), (60, 4295261107), (157, 1641501060), (314, 820750530), (443, 581750940), (471, 547167020), (628, 410375265), (785, 328300212), (886, 290875470), (942, 273583510), (1329, 193916980), (1570, 164150106), (1772, 145437735), (1884, 136791755), (2215, 116350188), (2355, 109433404), (2658, 96958490), (3140, 82075053), (4430, 58175094), (4710, 54716702), (5316, 48479245), (6645, 38783396), (8860, 29087547), (9420, 27358351), (13290, 19391698), (26580, 9695849), (61757, 4173060), (69551, 3705420), (123514, 2086530), (139102, 1852710), (185271, 1391020), (208653, 1235140), (247028, 1043265), (278204, 926355), (308785, 834612), (347755, 741084), (370542, 695510), (417306, 617570)]