71719600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 186818400

約数和(自身を除く): 115098800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 53, 68, 80, 85, 100, 106, 136, 170, 199, 200, 212, 265, 272, 340, 398, 400, 424, 425, 530, 680, 796, 848, 850, 901, 995, 1060, 1325, 1360, 1592, 1700, 1802, 1990, 2120, 2650, 3184, 3383, 3400, 3604, 3980, 4240, 4505, 4975, 5300, 6766, 6800, 7208, 7960, 9010, 9950, 10547, 10600, 13532, 14416, 15920, 16915, 18020, 19900, 21094, 21200, 22525, 27064, 33830, 36040, 39800, 42188, 45050, 52735, 54128, 67660, 72080, 79600, 84376, 84575, 90100, 105470, 135320, 168752, 169150, 179299, 180200, 210940, 263675, 270640, 338300, 358598, 360400, 421880, 527350, 676600, 717196, 843760, 896495, 1054700, 1353200, 1434392, 1792990, 2109400, 2868784, 3585980, 4218800, 4482475, 7171960, 8964950, 14343920, 17929900, 35859800, 71719600]

約数ペア:

[(1, 71719600), (2, 35859800), (4, 17929900), (5, 14343920), (8, 8964950), (10, 7171960), (16, 4482475), (17, 4218800), (20, 3585980), (25, 2868784), (34, 2109400), (40, 1792990), (50, 1434392), (53, 1353200), (68, 1054700), (80, 896495), (85, 843760), (100, 717196), (106, 676600), (136, 527350), (170, 421880), (199, 360400), (200, 358598), (212, 338300), (265, 270640), (272, 263675), (340, 210940), (398, 180200), (400, 179299), (424, 169150), (425, 168752), (530, 135320), (680, 105470), (796, 90100), (848, 84575), (850, 84376), (901, 79600), (995, 72080), (1060, 67660), (1325, 54128), (1360, 52735), (1592, 45050), (1700, 42188), (1802, 39800), (1990, 36040), (2120, 33830), (2650, 27064), (3184, 22525), (3383, 21200), (3400, 21094), (3604, 19900), (3980, 18020), (4240, 16915), (4505, 15920), (4975, 14416), (5300, 13532), (6766, 10600), (6800, 10547), (7208, 9950), (7960, 9010)]