180781956

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:527

約数の個数: 120

約数和(自身を含む): 500881920

約数和(自身を除く): 320099964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 41, 54, 62, 81, 82, 93, 108, 123, 124, 162, 164, 186, 246, 279, 324, 369, 372, 439, 492, 558, 738, 837, 878, 1107, 1116, 1271, 1317, 1476, 1674, 1756, 2214, 2511, 2542, 2634, 3321, 3348, 3813, 3951, 4428, 5022, 5084, 5268, 6642, 7626, 7902, 10044, 11439, 11853, 13284, 13609, 15252, 15804, 17999, 22878, 23706, 27218, 34317, 35559, 35998, 40827, 45756, 47412, 53997, 54436, 68634, 71118, 71996, 81654, 102951, 107994, 122481, 137268, 142236, 161991, 163308, 205902, 215988, 244962, 323982, 367443, 411804, 485973, 489924, 557969, 647964, 734886, 971946, 1102329, 1115938, 1457919, 1469772, 1673907, 1943892, 2204658, 2231876, 2915838, 3347814, 4409316, 5021721, 5831676, 6695628, 10043442, 15065163, 20086884, 30130326, 45195489, 60260652, 90390978, 180781956]

約数ペア:

[(1, 180781956), (2, 90390978), (3, 60260652), (4, 45195489), (6, 30130326), (9, 20086884), (12, 15065163), (18, 10043442), (27, 6695628), (31, 5831676), (36, 5021721), (41, 4409316), (54, 3347814), (62, 2915838), (81, 2231876), (82, 2204658), (93, 1943892), (108, 1673907), (123, 1469772), (124, 1457919), (162, 1115938), (164, 1102329), (186, 971946), (246, 734886), (279, 647964), (324, 557969), (369, 489924), (372, 485973), (439, 411804), (492, 367443), (558, 323982), (738, 244962), (837, 215988), (878, 205902), (1107, 163308), (1116, 161991), (1271, 142236), (1317, 137268), (1476, 122481), (1674, 107994), (1756, 102951), (2214, 81654), (2511, 71996), (2542, 71118), (2634, 68634), (3321, 54436), (3348, 53997), (3813, 47412), (3951, 45756), (4428, 40827), (5022, 35998), (5084, 35559), (5268, 34317), (6642, 27218), (7626, 23706), (7902, 22878), (10044, 17999), (11439, 15804), (11853, 15252), (13284, 13609)]