521856120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:637

約数の個数: 128

約数和(自身を含む): 1600300800

約数和(自身を除く): 1078444680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 107, 120, 194, 214, 291, 321, 388, 419, 428, 485, 535, 582, 642, 776, 838, 856, 970, 1070, 1164, 1257, 1284, 1455, 1605, 1676, 1940, 2095, 2140, 2328, 2514, 2568, 2910, 3210, 3352, 3880, 4190, 4280, 5028, 5820, 6285, 6420, 8380, 10056, 10379, 11640, 12570, 12840, 16760, 20758, 25140, 31137, 40643, 41516, 44833, 50280, 51895, 62274, 81286, 83032, 89666, 103790, 121929, 124548, 134499, 155685, 162572, 179332, 203215, 207580, 224165, 243858, 249096, 268998, 311370, 325144, 358664, 406430, 415160, 448330, 487716, 537996, 609645, 622740, 672495, 812860, 896660, 975432, 1075992, 1219290, 1245480, 1344990, 1625720, 1793320, 2438580, 2689980, 4348801, 4877160, 5379960, 8697602, 13046403, 17395204, 21744005, 26092806, 34790408, 43488010, 52185612, 65232015, 86976020, 104371224, 130464030, 173952040, 260928060, 521856120]

約数ペア:

[(1, 521856120), (2, 260928060), (3, 173952040), (4, 130464030), (5, 104371224), (6, 86976020), (8, 65232015), (10, 52185612), (12, 43488010), (15, 34790408), (20, 26092806), (24, 21744005), (30, 17395204), (40, 13046403), (60, 8697602), (97, 5379960), (107, 4877160), (120, 4348801), (194, 2689980), (214, 2438580), (291, 1793320), (321, 1625720), (388, 1344990), (419, 1245480), (428, 1219290), (485, 1075992), (535, 975432), (582, 896660), (642, 812860), (776, 672495), (838, 622740), (856, 609645), (970, 537996), (1070, 487716), (1164, 448330), (1257, 415160), (1284, 406430), (1455, 358664), (1605, 325144), (1676, 311370), (1940, 268998), (2095, 249096), (2140, 243858), (2328, 224165), (2514, 207580), (2568, 203215), (2910, 179332), (3210, 162572), (3352, 155685), (3880, 134499), (4190, 124548), (4280, 121929), (5028, 103790), (5820, 89666), (6285, 83032), (6420, 81286), (8380, 62274), (10056, 51895), (10379, 50280), (11640, 44833), (12570, 41516), (12840, 40643), (16760, 31137), (20758, 25140)]