1397340

素因数分解:

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

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 4848480

約数和(自身を除く): 3451140

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, 1109, 1260, 2218, 3327, 4436, 5545, 6654, 7763, 9981, 11090, 13308, 15526, 16635, 19962, 22180, 23289, 31052, 33270, 38815, 39924, 46578, 49905, 66540, 69867, 77630, 93156, 99810, 116445, 139734, 155260, 199620, 232890, 279468, 349335, 465780, 698670, 1397340]

約数ペア:

[(1, 1397340), (2, 698670), (3, 465780), (4, 349335), (5, 279468), (6, 232890), (7, 199620), (9, 155260), (10, 139734), (12, 116445), (14, 99810), (15, 93156), (18, 77630), (20, 69867), (21, 66540), (28, 49905), (30, 46578), (35, 39924), (36, 38815), (42, 33270), (45, 31052), (60, 23289), (63, 22180), (70, 19962), (84, 16635), (90, 15526), (105, 13308), (126, 11090), (140, 9981), (180, 7763), (210, 6654), (252, 5545), (315, 4436), (420, 3327), (630, 2218), (1109, 1260)]