278942160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7219}}^1$

素因数の和:7265

約数の個数: 160

約数和(自身を含む): 1031362560

約数和(自身を除く): 752420400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2415, 2576, 2760, 3220, 3864, 4830, 5520, 6440, 7219, 7728, 9660, 12880, 14438, 19320, 21657, 28876, 36095, 38640, 43314, 50533, 57752, 72190, 86628, 101066, 108285, 115504, 144380, 151599, 166037, 173256, 202132, 216570, 252665, 288760, 303198, 332074, 346512, 404264, 433140, 498111, 505330, 577520, 606396, 664148, 757995, 808528, 830185, 866280, 996222, 1010660, 1162259, 1212792, 1328296, 1515990, 1660370, 1732560, 1992444, 2021320, 2324518, 2425584, 2490555, 2656592, 3031980, 3320740, 3486777, 3984888, 4042640, 4649036, 4981110, 5811295, 6063960, 6641480, 6973554, 7969776, 9298072, 9962220, 11622590, 12127920, 13282960, 13947108, 17433885, 18596144, 19924440, 23245180, 27894216, 34867770, 39848880, 46490360, 55788432, 69735540, 92980720, 139471080, 278942160]

約数ペア:

[(1, 278942160), (2, 139471080), (3, 92980720), (4, 69735540), (5, 55788432), (6, 46490360), (7, 39848880), (8, 34867770), (10, 27894216), (12, 23245180), (14, 19924440), (15, 18596144), (16, 17433885), (20, 13947108), (21, 13282960), (23, 12127920), (24, 11622590), (28, 9962220), (30, 9298072), (35, 7969776), (40, 6973554), (42, 6641480), (46, 6063960), (48, 5811295), (56, 4981110), (60, 4649036), (69, 4042640), (70, 3984888), (80, 3486777), (84, 3320740), (92, 3031980), (105, 2656592), (112, 2490555), (115, 2425584), (120, 2324518), (138, 2021320), (140, 1992444), (161, 1732560), (168, 1660370), (184, 1515990), (210, 1328296), (230, 1212792), (240, 1162259), (276, 1010660), (280, 996222), (322, 866280), (336, 830185), (345, 808528), (368, 757995), (420, 664148), (460, 606396), (483, 577520), (552, 505330), (560, 498111), (644, 433140), (690, 404264), (805, 346512), (840, 332074), (920, 303198), (966, 288760), (1104, 252665), (1288, 216570), (1380, 202132), (1610, 173256), (1680, 166037), (1840, 151599), (1932, 144380), (2415, 115504), (2576, 108285), (2760, 101066), (3220, 86628), (3864, 72190), (4830, 57752), (5520, 50533), (6440, 43314), (7219, 38640), (7728, 36095), (9660, 28876), (12880, 21657), (14438, 19320)]