157007560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1166

約数の個数: 64

約数和(自身を含む): 367902720

約数和(自身を除く): 210895160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 997, 1016, 1240, 1270, 1994, 2540, 3937, 3988, 4985, 5080, 7874, 7976, 9970, 15748, 19685, 19940, 30907, 31496, 39370, 39880, 61814, 78740, 123628, 126619, 154535, 157480, 247256, 253238, 309070, 506476, 618140, 633095, 1012952, 1236280, 1266190, 2532380, 3925189, 5064760, 7850378, 15700756, 19625945, 31401512, 39251890, 78503780, 157007560]

約数ペア:

[(1, 157007560), (2, 78503780), (4, 39251890), (5, 31401512), (8, 19625945), (10, 15700756), (20, 7850378), (31, 5064760), (40, 3925189), (62, 2532380), (124, 1266190), (127, 1236280), (155, 1012952), (248, 633095), (254, 618140), (310, 506476), (508, 309070), (620, 253238), (635, 247256), (997, 157480), (1016, 154535), (1240, 126619), (1270, 123628), (1994, 78740), (2540, 61814), (3937, 39880), (3988, 39370), (4985, 31496), (5080, 30907), (7874, 19940), (7976, 19685), (9970, 15748)]