80969220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:503

約数の個数: 120

約数和(自身を含む): 256458048

約数和(自身を除く): 175488828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 151, 162, 180, 270, 302, 324, 331, 405, 453, 540, 604, 662, 755, 810, 906, 993, 1324, 1359, 1510, 1620, 1655, 1812, 1986, 2265, 2718, 2979, 3020, 3310, 3972, 4077, 4530, 4965, 5436, 5958, 6620, 6795, 8154, 8937, 9060, 9930, 11916, 12231, 13590, 14895, 16308, 17874, 19860, 20385, 24462, 26811, 27180, 29790, 35748, 40770, 44685, 48924, 49981, 53622, 59580, 61155, 81540, 89370, 99962, 107244, 122310, 134055, 149943, 178740, 199924, 244620, 249905, 268110, 299886, 449829, 499810, 536220, 599772, 749715, 899658, 999620, 1349487, 1499430, 1799316, 2249145, 2698974, 2998860, 4048461, 4498290, 5397948, 6747435, 8096922, 8996580, 13494870, 16193844, 20242305, 26989740, 40484610, 80969220]

約数ペア:

[(1, 80969220), (2, 40484610), (3, 26989740), (4, 20242305), (5, 16193844), (6, 13494870), (9, 8996580), (10, 8096922), (12, 6747435), (15, 5397948), (18, 4498290), (20, 4048461), (27, 2998860), (30, 2698974), (36, 2249145), (45, 1799316), (54, 1499430), (60, 1349487), (81, 999620), (90, 899658), (108, 749715), (135, 599772), (151, 536220), (162, 499810), (180, 449829), (270, 299886), (302, 268110), (324, 249905), (331, 244620), (405, 199924), (453, 178740), (540, 149943), (604, 134055), (662, 122310), (755, 107244), (810, 99962), (906, 89370), (993, 81540), (1324, 61155), (1359, 59580), (1510, 53622), (1620, 49981), (1655, 48924), (1812, 44685), (1986, 40770), (2265, 35748), (2718, 29790), (2979, 27180), (3020, 26811), (3310, 24462), (3972, 20385), (4077, 19860), (4530, 17874), (4965, 16308), (5436, 14895), (5958, 13590), (6620, 12231), (6795, 11916), (8154, 9930), (8937, 9060)]