81271624140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{64501289}}^1$

素因数の和:64501311

約数の個数: 72

約数和(自身を含む): 281741634720

約数和(自身を除く): 200470010580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 64501289, 129002578, 193503867, 258005156, 322506445, 387007734, 451509023, 580511601, 645012890, 774015468, 903018046, 967519335, 1161023202, 1290025780, 1354527069, 1806036092, 1935038670, 2257545115, 2322046404, 2709054138, 2902558005, 3870077340, 4063581207, 4515090230, 5418108276, 5805116010, 6772635345, 8127162414, 9030180460, 11610232020, 13545270690, 16254324828, 20317906035, 27090541380, 40635812070, 81271624140]

約数ペア:

[(1, 81271624140), (2, 40635812070), (3, 27090541380), (4, 20317906035), (5, 16254324828), (6, 13545270690), (7, 11610232020), (9, 9030180460), (10, 8127162414), (12, 6772635345), (14, 5805116010), (15, 5418108276), (18, 4515090230), (20, 4063581207), (21, 3870077340), (28, 2902558005), (30, 2709054138), (35, 2322046404), (36, 2257545115), (42, 1935038670), (45, 1806036092), (60, 1354527069), (63, 1290025780), (70, 1161023202), (84, 967519335), (90, 903018046), (105, 774015468), (126, 645012890), (140, 580511601), (180, 451509023), (210, 387007734), (252, 322506445), (315, 258005156), (420, 193503867), (630, 129002578), (1260, 64501289)]