320966640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{967}}^1$

素因数の和:1447

約数の個数: 120

約数和(自身を含む): 1081368288

約数和(自身を除く): 760401648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 461, 720, 922, 967, 1383, 1844, 1934, 2305, 2766, 2901, 3688, 3868, 4149, 4610, 4835, 5532, 5802, 6915, 7376, 7736, 8298, 8703, 9220, 9670, 11064, 11604, 13830, 14505, 15472, 16596, 17406, 18440, 19340, 20745, 22128, 23208, 27660, 29010, 33192, 34812, 36880, 38680, 41490, 43515, 46416, 55320, 58020, 66384, 69624, 77360, 82980, 87030, 110640, 116040, 139248, 165960, 174060, 232080, 331920, 348120, 445787, 696240, 891574, 1337361, 1783148, 2228935, 2674722, 3566296, 4012083, 4457870, 5349444, 6686805, 7132592, 8024166, 8915740, 10698888, 13373610, 16048332, 17831480, 20060415, 21397776, 26747220, 32096664, 35662960, 40120830, 53494440, 64193328, 80241660, 106988880, 160483320, 320966640]

約数ペア:

[(1, 320966640), (2, 160483320), (3, 106988880), (4, 80241660), (5, 64193328), (6, 53494440), (8, 40120830), (9, 35662960), (10, 32096664), (12, 26747220), (15, 21397776), (16, 20060415), (18, 17831480), (20, 16048332), (24, 13373610), (30, 10698888), (36, 8915740), (40, 8024166), (45, 7132592), (48, 6686805), (60, 5349444), (72, 4457870), (80, 4012083), (90, 3566296), (120, 2674722), (144, 2228935), (180, 1783148), (240, 1337361), (360, 891574), (461, 696240), (720, 445787), (922, 348120), (967, 331920), (1383, 232080), (1844, 174060), (1934, 165960), (2305, 139248), (2766, 116040), (2901, 110640), (3688, 87030), (3868, 82980), (4149, 77360), (4610, 69624), (4835, 66384), (5532, 58020), (5802, 55320), (6915, 46416), (7376, 43515), (7736, 41490), (8298, 38680), (8703, 36880), (9220, 34812), (9670, 33192), (11064, 29010), (11604, 27660), (13830, 23208), (14505, 22128), (15472, 20745), (16596, 19340), (17406, 18440)]