2528781408

素因数分解:

$2^5\times 3^2\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:685

約数の個数: 144

約数和(自身を含む): 7303842000

約数和(自身を除く): 4775060592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 139, 144, 181, 278, 288, 349, 362, 417, 543, 556, 698, 724, 834, 1047, 1086, 1112, 1251, 1396, 1448, 1629, 1668, 2094, 2172, 2224, 2502, 2792, 2896, 3141, 3258, 3336, 4188, 4344, 4448, 5004, 5584, 5792, 6282, 6516, 6672, 8376, 8688, 10008, 11168, 12564, 13032, 13344, 16752, 17376, 20016, 25128, 25159, 26064, 33504, 40032, 48511, 50256, 50318, 52128, 63169, 75477, 97022, 100512, 100636, 126338, 145533, 150954, 189507, 194044, 201272, 226431, 252676, 291066, 301908, 379014, 388088, 402544, 436599, 452862, 505352, 568521, 582132, 603816, 758028, 776176, 805088, 873198, 905724, 1010704, 1137042, 1164264, 1207632, 1516056, 1552352, 1746396, 1811448, 2021408, 2274084, 2328528, 2415264, 3032112, 3492792, 3622896, 4548168, 4657056, 6064224, 6985584, 7245792, 8780491, 9096336, 13971168, 17560982, 18192672, 26341473, 35121964, 52682946, 70243928, 79024419, 105365892, 140487856, 158048838, 210731784, 280975712, 316097676, 421463568, 632195352, 842927136, 1264390704, 2528781408]

約数ペア:

[(1, 2528781408), (2, 1264390704), (3, 842927136), (4, 632195352), (6, 421463568), (8, 316097676), (9, 280975712), (12, 210731784), (16, 158048838), (18, 140487856), (24, 105365892), (32, 79024419), (36, 70243928), (48, 52682946), (72, 35121964), (96, 26341473), (139, 18192672), (144, 17560982), (181, 13971168), (278, 9096336), (288, 8780491), (349, 7245792), (362, 6985584), (417, 6064224), (543, 4657056), (556, 4548168), (698, 3622896), (724, 3492792), (834, 3032112), (1047, 2415264), (1086, 2328528), (1112, 2274084), (1251, 2021408), (1396, 1811448), (1448, 1746396), (1629, 1552352), (1668, 1516056), (2094, 1207632), (2172, 1164264), (2224, 1137042), (2502, 1010704), (2792, 905724), (2896, 873198), (3141, 805088), (3258, 776176), (3336, 758028), (4188, 603816), (4344, 582132), (4448, 568521), (5004, 505352), (5584, 452862), (5792, 436599), (6282, 402544), (6516, 388088), (6672, 379014), (8376, 301908), (8688, 291066), (10008, 252676), (11168, 226431), (12564, 201272), (13032, 194044), (13344, 189507), (16752, 150954), (17376, 145533), (20016, 126338), (25128, 100636), (25159, 100512), (26064, 97022), (33504, 75477), (40032, 63169), (48511, 52128), (50256, 50318)]