91783040

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2351}}^1$

素因数の和:2431

約数の個数: 64

約数和(自身を含む): 223110720

約数和(自身を除く): 131327680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2351, 2440, 3904, 4702, 4880, 7808, 9404, 9760, 11755, 18808, 19520, 23510, 37616, 39040, 47020, 75232, 94040, 143411, 150464, 188080, 286822, 300928, 376160, 573644, 717055, 752320, 1147288, 1434110, 1504640, 2294576, 2868220, 4589152, 5736440, 9178304, 11472880, 18356608, 22945760, 45891520, 91783040]

約数ペア:

[(1, 91783040), (2, 45891520), (4, 22945760), (5, 18356608), (8, 11472880), (10, 9178304), (16, 5736440), (20, 4589152), (32, 2868220), (40, 2294576), (61, 1504640), (64, 1434110), (80, 1147288), (122, 752320), (128, 717055), (160, 573644), (244, 376160), (305, 300928), (320, 286822), (488, 188080), (610, 150464), (640, 143411), (976, 94040), (1220, 75232), (1952, 47020), (2351, 39040), (2440, 37616), (3904, 23510), (4702, 19520), (4880, 18808), (7808, 11755), (9404, 9760)]