389784240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28493}}^1$

素因数の和:28531

約数の個数: 120

約数和(自身を含む): 1377969840

約数和(自身を除く): 988185600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 28493, 56986, 85479, 113972, 142465, 170958, 227944, 256437, 284930, 341916, 427395, 455888, 512874, 541367, 569860, 683832, 854790, 1025748, 1082734, 1139720, 1282185, 1367664, 1624101, 1709580, 2051496, 2165468, 2279440, 2564370, 2706835, 3248202, 3419160, 4102992, 4330936, 4872303, 5128740, 5413670, 6496404, 6838320, 8120505, 8661872, 9744606, 10257480, 10827340, 12992808, 16241010, 19489212, 20514960, 21654680, 24361515, 25985616, 32482020, 38978424, 43309360, 48723030, 64964040, 77956848, 97446060, 129928080, 194892120, 389784240]

約数ペア:

[(1, 389784240), (2, 194892120), (3, 129928080), (4, 97446060), (5, 77956848), (6, 64964040), (8, 48723030), (9, 43309360), (10, 38978424), (12, 32482020), (15, 25985616), (16, 24361515), (18, 21654680), (19, 20514960), (20, 19489212), (24, 16241010), (30, 12992808), (36, 10827340), (38, 10257480), (40, 9744606), (45, 8661872), (48, 8120505), (57, 6838320), (60, 6496404), (72, 5413670), (76, 5128740), (80, 4872303), (90, 4330936), (95, 4102992), (114, 3419160), (120, 3248202), (144, 2706835), (152, 2564370), (171, 2279440), (180, 2165468), (190, 2051496), (228, 1709580), (240, 1624101), (285, 1367664), (304, 1282185), (342, 1139720), (360, 1082734), (380, 1025748), (456, 854790), (570, 683832), (684, 569860), (720, 541367), (760, 512874), (855, 455888), (912, 427395), (1140, 341916), (1368, 284930), (1520, 256437), (1710, 227944), (2280, 170958), (2736, 142465), (3420, 113972), (4560, 85479), (6840, 56986), (13680, 28493)]