81175320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{509}}^1$

素因数の和:969

約数の個数: 96

約数和(自身を含む): 264934800

約数和(自身を除く): 183759480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 443, 509, 886, 1018, 1329, 1527, 1772, 2036, 2215, 2545, 2658, 3054, 3544, 3987, 4072, 4430, 4581, 5090, 5316, 6108, 6645, 7635, 7974, 8860, 9162, 10180, 10632, 12216, 13290, 15270, 15948, 17720, 18324, 19935, 20360, 22905, 26580, 30540, 31896, 36648, 39870, 45810, 53160, 61080, 79740, 91620, 159480, 183240, 225487, 450974, 676461, 901948, 1127435, 1352922, 1803896, 2029383, 2254870, 2705844, 3382305, 4058766, 4509740, 5411688, 6764610, 8117532, 9019480, 10146915, 13529220, 16235064, 20293830, 27058440, 40587660, 81175320]

約数ペア:

[(1, 81175320), (2, 40587660), (3, 27058440), (4, 20293830), (5, 16235064), (6, 13529220), (8, 10146915), (9, 9019480), (10, 8117532), (12, 6764610), (15, 5411688), (18, 4509740), (20, 4058766), (24, 3382305), (30, 2705844), (36, 2254870), (40, 2029383), (45, 1803896), (60, 1352922), (72, 1127435), (90, 901948), (120, 676461), (180, 450974), (360, 225487), (443, 183240), (509, 159480), (886, 91620), (1018, 79740), (1329, 61080), (1527, 53160), (1772, 45810), (2036, 39870), (2215, 36648), (2545, 31896), (2658, 30540), (3054, 26580), (3544, 22905), (3987, 20360), (4072, 19935), (4430, 18324), (4581, 17720), (5090, 15948), (5316, 15270), (6108, 13290), (6645, 12216), (7635, 10632), (7974, 10180), (8860, 9162)]