27636280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1216

約数の個数: 64

約数和(自身を含む): 71928000

約数和(自身を除く): 44291720

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, 1109, 1246, 1780, 2218, 2492, 3115, 3560, 4436, 4984, 5545, 6230, 7763, 8872, 11090, 12460, 15526, 22180, 24920, 31052, 38815, 44360, 62104, 77630, 98701, 155260, 197402, 310520, 394804, 493505, 690907, 789608, 987010, 1381814, 1974020, 2763628, 3454535, 3948040, 5527256, 6909070, 13818140, 27636280]

約数ペア:

[(1, 27636280), (2, 13818140), (4, 6909070), (5, 5527256), (7, 3948040), (8, 3454535), (10, 2763628), (14, 1974020), (20, 1381814), (28, 987010), (35, 789608), (40, 690907), (56, 493505), (70, 394804), (89, 310520), (140, 197402), (178, 155260), (280, 98701), (356, 77630), (445, 62104), (623, 44360), (712, 38815), (890, 31052), (1109, 24920), (1246, 22180), (1780, 15526), (2218, 12460), (2492, 11090), (3115, 8872), (3560, 7763), (4436, 6230), (4984, 5545)]