16491420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8329}}^1$

素因数の和:8355

約数の個数: 72

約数和(自身を含む): 54578160

約数和(自身を除く): 38086740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 8329, 16658, 24987, 33316, 41645, 49974, 74961, 83290, 91619, 99948, 124935, 149922, 166580, 183238, 249870, 274857, 299844, 366476, 374805, 458095, 499740, 549714, 749610, 824571, 916190, 1099428, 1374285, 1499220, 1649142, 1832380, 2748570, 3298284, 4122855, 5497140, 8245710, 16491420]

約数ペア:

[(1, 16491420), (2, 8245710), (3, 5497140), (4, 4122855), (5, 3298284), (6, 2748570), (9, 1832380), (10, 1649142), (11, 1499220), (12, 1374285), (15, 1099428), (18, 916190), (20, 824571), (22, 749610), (30, 549714), (33, 499740), (36, 458095), (44, 374805), (45, 366476), (55, 299844), (60, 274857), (66, 249870), (90, 183238), (99, 166580), (110, 149922), (132, 124935), (165, 99948), (180, 91619), (198, 83290), (220, 74961), (330, 49974), (396, 41645), (495, 33316), (660, 24987), (990, 16658), (1980, 8329)]