71824960

素因数分解:

$2^6\times 5^1\times {\mathrm{389}}^1\times {\mathrm{577}}^1$

素因数の和:983

約数の個数: 56

約数和(自身を含む): 171770040

約数和(自身を除く): 99945080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 389, 577, 778, 1154, 1556, 1945, 2308, 2885, 3112, 3890, 4616, 5770, 6224, 7780, 9232, 11540, 12448, 15560, 18464, 23080, 24896, 31120, 36928, 46160, 62240, 92320, 124480, 184640, 224453, 448906, 897812, 1122265, 1795624, 2244530, 3591248, 4489060, 7182496, 8978120, 14364992, 17956240, 35912480, 71824960]

約数ペア:

[(1, 71824960), (2, 35912480), (4, 17956240), (5, 14364992), (8, 8978120), (10, 7182496), (16, 4489060), (20, 3591248), (32, 2244530), (40, 1795624), (64, 1122265), (80, 897812), (160, 448906), (320, 224453), (389, 184640), (577, 124480), (778, 92320), (1154, 62240), (1556, 46160), (1945, 36928), (2308, 31120), (2885, 24896), (3112, 23080), (3890, 18464), (4616, 15560), (5770, 12448), (6224, 11540), (7780, 9232)]