68280240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:539

約数の個数: 160

約数和(自身を含む): 244984320

約数和(自身を除く): 176704080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 97, 105, 112, 120, 140, 168, 194, 210, 240, 280, 291, 336, 388, 419, 420, 485, 560, 582, 679, 776, 838, 840, 970, 1164, 1257, 1358, 1455, 1552, 1676, 1680, 1940, 2037, 2095, 2328, 2514, 2716, 2910, 2933, 3352, 3395, 3880, 4074, 4190, 4656, 5028, 5432, 5820, 5866, 6285, 6704, 6790, 7760, 8148, 8380, 8799, 10056, 10185, 10864, 11640, 11732, 12570, 13580, 14665, 16296, 16760, 17598, 20112, 20370, 23280, 23464, 25140, 27160, 29330, 32592, 33520, 35196, 40643, 40740, 43995, 46928, 50280, 54320, 58660, 70392, 81286, 81480, 87990, 100560, 117320, 121929, 140784, 162572, 162960, 175980, 203215, 234640, 243858, 284501, 325144, 351960, 406430, 487716, 569002, 609645, 650288, 703920, 812860, 853503, 975432, 1138004, 1219290, 1422505, 1625720, 1707006, 1950864, 2276008, 2438580, 2845010, 3251440, 3414012, 4267515, 4552016, 4877160, 5690020, 6828024, 8535030, 9754320, 11380040, 13656048, 17070060, 22760080, 34140120, 68280240]

約数ペア:

[(1, 68280240), (2, 34140120), (3, 22760080), (4, 17070060), (5, 13656048), (6, 11380040), (7, 9754320), (8, 8535030), (10, 6828024), (12, 5690020), (14, 4877160), (15, 4552016), (16, 4267515), (20, 3414012), (21, 3251440), (24, 2845010), (28, 2438580), (30, 2276008), (35, 1950864), (40, 1707006), (42, 1625720), (48, 1422505), (56, 1219290), (60, 1138004), (70, 975432), (80, 853503), (84, 812860), (97, 703920), (105, 650288), (112, 609645), (120, 569002), (140, 487716), (168, 406430), (194, 351960), (210, 325144), (240, 284501), (280, 243858), (291, 234640), (336, 203215), (388, 175980), (419, 162960), (420, 162572), (485, 140784), (560, 121929), (582, 117320), (679, 100560), (776, 87990), (838, 81480), (840, 81286), (970, 70392), (1164, 58660), (1257, 54320), (1358, 50280), (1455, 46928), (1552, 43995), (1676, 40740), (1680, 40643), (1940, 35196), (2037, 33520), (2095, 32592), (2328, 29330), (2514, 27160), (2716, 25140), (2910, 23464), (2933, 23280), (3352, 20370), (3395, 20112), (3880, 17598), (4074, 16760), (4190, 16296), (4656, 14665), (5028, 13580), (5432, 12570), (5820, 11732), (5866, 11640), (6285, 10864), (6704, 10185), (6790, 10056), (7760, 8799), (8148, 8380)]