2081255680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 288

約数和(自身を含む): 6028001280

約数和(自身を除く): 3946745600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 59, 62, 64, 70, 80, 112, 118, 124, 127, 128, 140, 155, 160, 217, 224, 236, 248, 254, 256, 280, 295, 310, 320, 413, 434, 448, 472, 496, 508, 560, 590, 620, 635, 640, 826, 868, 889, 896, 944, 992, 1016, 1085, 1120, 1180, 1240, 1270, 1280, 1652, 1736, 1778, 1792, 1829, 1888, 1984, 2032, 2065, 2170, 2240, 2360, 2480, 2540, 3304, 3472, 3556, 3658, 3776, 3937, 3968, 4064, 4130, 4340, 4445, 4480, 4720, 4960, 5080, 6608, 6944, 7112, 7316, 7493, 7552, 7874, 7936, 8128, 8260, 8680, 8890, 8960, 9145, 9440, 9920, 10160, 12803, 13216, 13888, 14224, 14632, 14986, 15104, 15748, 16256, 16520, 17360, 17780, 18290, 18880, 19685, 19840, 20320, 25606, 26432, 27559, 27776, 28448, 29264, 29972, 31496, 32512, 33040, 34720, 35560, 36580, 37465, 37760, 39370, 39680, 40640, 51212, 52451, 52864, 55118, 55552, 56896, 58528, 59944, 62992, 64015, 66080, 69440, 71120, 73160, 74930, 75520, 78740, 81280, 102424, 104902, 105728, 110236, 113792, 117056, 119888, 125984, 128030, 132160, 137795, 138880, 142240, 146320, 149860, 157480, 162560, 204848, 209804, 220472, 227584, 232283, 234112, 239776, 251968, 256060, 262255, 264320, 275590, 277760, 284480, 292640, 299720, 314960, 409696, 419608, 440944, 464566, 468224, 479552, 503936, 512120, 524510, 528640, 551180, 568960, 585280, 599440, 629920, 819392, 839216, 881888, 929132, 959104, 1007872, 1024240, 1049020, 1102360, 1137920, 1161415, 1170560, 1198880, 1259840, 1625981, 1638784, 1678432, 1763776, 1858264, 1918208, 2048480, 2098040, 2204720, 2322830, 2341120, 2397760, 2519680, 3251962, 3277568, 3356864, 3527552, 3716528, 4096960, 4196080, 4409440, 4645660, 4795520, 5039360, 6503924, 6713728, 7055104, 7433056, 8129905, 8193920, 8392160, 8818880, 9291320, 9591040, 13007848, 13427456, 14866112, 16259810, 16387840, 16784320, 17637760, 18582640, 26015696, 29732224, 32519620, 33568640, 35275520, 37165280, 52031392, 59464448, 65039240, 67137280, 74330560, 104062784, 130078480, 148661120, 208125568, 260156960, 297322240, 416251136, 520313920, 1040627840, 2081255680]

約数ペア:

[(1, 2081255680), (2, 1040627840), (4, 520313920), (5, 416251136), (7, 297322240), (8, 260156960), (10, 208125568), (14, 148661120), (16, 130078480), (20, 104062784), (28, 74330560), (31, 67137280), (32, 65039240), (35, 59464448), (40, 52031392), (56, 37165280), (59, 35275520), (62, 33568640), (64, 32519620), (70, 29732224), (80, 26015696), (112, 18582640), (118, 17637760), (124, 16784320), (127, 16387840), (128, 16259810), (140, 14866112), (155, 13427456), (160, 13007848), (217, 9591040), (224, 9291320), (236, 8818880), (248, 8392160), (254, 8193920), (256, 8129905), (280, 7433056), (295, 7055104), (310, 6713728), (320, 6503924), (413, 5039360), (434, 4795520), (448, 4645660), (472, 4409440), (496, 4196080), (508, 4096960), (560, 3716528), (590, 3527552), (620, 3356864), (635, 3277568), (640, 3251962), (826, 2519680), (868, 2397760), (889, 2341120), (896, 2322830), (944, 2204720), (992, 2098040), (1016, 2048480), (1085, 1918208), (1120, 1858264), (1180, 1763776), (1240, 1678432), (1270, 1638784), (1280, 1625981), (1652, 1259840), (1736, 1198880), (1778, 1170560), (1792, 1161415), (1829, 1137920), (1888, 1102360), (1984, 1049020), (2032, 1024240), (2065, 1007872), (2170, 959104), (2240, 929132), (2360, 881888), (2480, 839216), (2540, 819392), (3304, 629920), (3472, 599440), (3556, 585280), (3658, 568960), (3776, 551180), (3937, 528640), (3968, 524510), (4064, 512120), (4130, 503936), (4340, 479552), (4445, 468224), (4480, 464566), (4720, 440944), (4960, 419608), (5080, 409696), (6608, 314960), (6944, 299720), (7112, 292640), (7316, 284480), (7493, 277760), (7552, 275590), (7874, 264320), (7936, 262255), (8128, 256060), (8260, 251968), (8680, 239776), (8890, 234112), (8960, 232283), (9145, 227584), (9440, 220472), (9920, 209804), (10160, 204848), (12803, 162560), (13216, 157480), (13888, 149860), (14224, 146320), (14632, 142240), (14986, 138880), (15104, 137795), (15748, 132160), (16256, 128030), (16520, 125984), (17360, 119888), (17780, 117056), (18290, 113792), (18880, 110236), (19685, 105728), (19840, 104902), (20320, 102424), (25606, 81280), (26432, 78740), (27559, 75520), (27776, 74930), (28448, 73160), (29264, 71120), (29972, 69440), (31496, 66080), (32512, 64015), (33040, 62992), (34720, 59944), (35560, 58528), (36580, 56896), (37465, 55552), (37760, 55118), (39370, 52864), (39680, 52451), (40640, 51212)]