157947440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12263}}^1$

素因数の和:12306

約数の個数: 80

約数和(自身を含む): 437971968

約数和(自身を除く): 280024528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12263, 12880, 24526, 49052, 61315, 85841, 98104, 122630, 171682, 196208, 245260, 282049, 343364, 429205, 490520, 564098, 686728, 858410, 981040, 1128196, 1373456, 1410245, 1716820, 1974343, 2256392, 2820490, 3433640, 3948686, 4512784, 5640980, 6867280, 7897372, 9871715, 11281960, 15794744, 19743430, 22563920, 31589488, 39486860, 78973720, 157947440]

約数ペア:

[(1, 157947440), (2, 78973720), (4, 39486860), (5, 31589488), (7, 22563920), (8, 19743430), (10, 15794744), (14, 11281960), (16, 9871715), (20, 7897372), (23, 6867280), (28, 5640980), (35, 4512784), (40, 3948686), (46, 3433640), (56, 2820490), (70, 2256392), (80, 1974343), (92, 1716820), (112, 1410245), (115, 1373456), (140, 1128196), (161, 981040), (184, 858410), (230, 686728), (280, 564098), (322, 490520), (368, 429205), (460, 343364), (560, 282049), (644, 245260), (805, 196208), (920, 171682), (1288, 122630), (1610, 98104), (1840, 85841), (2576, 61315), (3220, 49052), (6440, 24526), (12263, 12880)]