68006680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2729}}^1$

素因数の和:2836

約数の個数: 64

約数和(自身を含む): 176904000

約数和(自身を除く): 108897320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 2729, 3115, 3560, 4984, 5458, 6230, 10916, 12460, 13645, 19103, 21832, 24920, 27290, 38206, 54580, 76412, 95515, 109160, 152824, 191030, 242881, 382060, 485762, 764120, 971524, 1214405, 1700167, 1943048, 2428810, 3400334, 4857620, 6800668, 8500835, 9715240, 13601336, 17001670, 34003340, 68006680]

約数ペア:

[(1, 68006680), (2, 34003340), (4, 17001670), (5, 13601336), (7, 9715240), (8, 8500835), (10, 6800668), (14, 4857620), (20, 3400334), (28, 2428810), (35, 1943048), (40, 1700167), (56, 1214405), (70, 971524), (89, 764120), (140, 485762), (178, 382060), (280, 242881), (356, 191030), (445, 152824), (623, 109160), (712, 95515), (890, 76412), (1246, 54580), (1780, 38206), (2492, 27290), (2729, 24920), (3115, 21832), (3560, 19103), (4984, 13645), (5458, 12460), (6230, 10916)]