81546900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{1187}}^1$

素因数の和:1433

約数の個数: 72

約数和(自身を含む): 237172320

約数和(自身を除く): 155625420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 229, 300, 458, 687, 916, 1145, 1187, 1374, 2290, 2374, 2748, 3435, 3561, 4580, 4748, 5725, 5935, 6870, 7122, 11450, 11870, 13740, 14244, 17175, 17805, 22900, 23740, 29675, 34350, 35610, 59350, 68700, 71220, 89025, 118700, 178050, 271823, 356100, 543646, 815469, 1087292, 1359115, 1630938, 2718230, 3261876, 4077345, 5436460, 6795575, 8154690, 13591150, 16309380, 20386725, 27182300, 40773450, 81546900]

約数ペア:

[(1, 81546900), (2, 40773450), (3, 27182300), (4, 20386725), (5, 16309380), (6, 13591150), (10, 8154690), (12, 6795575), (15, 5436460), (20, 4077345), (25, 3261876), (30, 2718230), (50, 1630938), (60, 1359115), (75, 1087292), (100, 815469), (150, 543646), (229, 356100), (300, 271823), (458, 178050), (687, 118700), (916, 89025), (1145, 71220), (1187, 68700), (1374, 59350), (2290, 35610), (2374, 34350), (2748, 29675), (3435, 23740), (3561, 22900), (4580, 17805), (4748, 17175), (5725, 14244), (5935, 13740), (6870, 11870), (7122, 11450)]