2661451520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:427

約数の個数: 288

約数和(自身を含む): 7979056512

約数和(自身を除く): 5317604992

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 73, 80, 91, 104, 112, 128, 130, 140, 146, 160, 182, 208, 224, 256, 260, 280, 292, 313, 320, 364, 365, 416, 448, 455, 511, 520, 560, 584, 626, 640, 728, 730, 832, 896, 910, 949, 1022, 1040, 1120, 1168, 1252, 1280, 1456, 1460, 1565, 1664, 1792, 1820, 1898, 2044, 2080, 2191, 2240, 2336, 2504, 2555, 2912, 2920, 3130, 3328, 3640, 3796, 4069, 4088, 4160, 4382, 4480, 4672, 4745, 5008, 5110, 5824, 5840, 6260, 6643, 7280, 7592, 8138, 8176, 8320, 8764, 8960, 9344, 9490, 10016, 10220, 10955, 11648, 11680, 12520, 13286, 14560, 15184, 16276, 16352, 16640, 17528, 18688, 18980, 20032, 20345, 20440, 21910, 22849, 23296, 23360, 25040, 26572, 28483, 29120, 30368, 32552, 32704, 33215, 35056, 37960, 40064, 40690, 40880, 43820, 45698, 46720, 50080, 53144, 56966, 58240, 60736, 65104, 65408, 66430, 70112, 75920, 80128, 81380, 81760, 87640, 91396, 93440, 100160, 106288, 113932, 114245, 116480, 121472, 130208, 130816, 132860, 140224, 142415, 151840, 159943, 162760, 163520, 175280, 182792, 200320, 212576, 227864, 228490, 242944, 260416, 265720, 280448, 284830, 297037, 303680, 319886, 325520, 327040, 350560, 365584, 400640, 425152, 455728, 456980, 520832, 531440, 560896, 569660, 594074, 607360, 639772, 651040, 654080, 701120, 731168, 799715, 850304, 911456, 913960, 1041664, 1062880, 1139320, 1188148, 1214720, 1279544, 1302080, 1402240, 1462336, 1485185, 1599430, 1700608, 1822912, 1827920, 2079259, 2125760, 2278640, 2376296, 2559088, 2604160, 2804480, 2924672, 2970370, 3198860, 3645824, 3655840, 4158518, 4251520, 4557280, 4752592, 5118176, 5208320, 5849344, 5940740, 6397720, 7291648, 7311680, 8317036, 8503040, 9114560, 9505184, 10236352, 10396295, 11881480, 12795440, 14623360, 16634072, 18229120, 19010368, 20472704, 20792590, 23762960, 25590880, 29246720, 33268144, 36458240, 38020736, 40945408, 41585180, 47525920, 51181760, 66536288, 76041472, 83170360, 95051840, 102363520, 133072576, 166340720, 190103680, 204727040, 266145152, 332681440, 380207360, 532290304, 665362880, 1330725760, 2661451520]

約数ペア:

[(1, 2661451520), (2, 1330725760), (4, 665362880), (5, 532290304), (7, 380207360), (8, 332681440), (10, 266145152), (13, 204727040), (14, 190103680), (16, 166340720), (20, 133072576), (26, 102363520), (28, 95051840), (32, 83170360), (35, 76041472), (40, 66536288), (52, 51181760), (56, 47525920), (64, 41585180), (65, 40945408), (70, 38020736), (73, 36458240), (80, 33268144), (91, 29246720), (104, 25590880), (112, 23762960), (128, 20792590), (130, 20472704), (140, 19010368), (146, 18229120), (160, 16634072), (182, 14623360), (208, 12795440), (224, 11881480), (256, 10396295), (260, 10236352), (280, 9505184), (292, 9114560), (313, 8503040), (320, 8317036), (364, 7311680), (365, 7291648), (416, 6397720), (448, 5940740), (455, 5849344), (511, 5208320), (520, 5118176), (560, 4752592), (584, 4557280), (626, 4251520), (640, 4158518), (728, 3655840), (730, 3645824), (832, 3198860), (896, 2970370), (910, 2924672), (949, 2804480), (1022, 2604160), (1040, 2559088), (1120, 2376296), (1168, 2278640), (1252, 2125760), (1280, 2079259), (1456, 1827920), (1460, 1822912), (1565, 1700608), (1664, 1599430), (1792, 1485185), (1820, 1462336), (1898, 1402240), (2044, 1302080), (2080, 1279544), (2191, 1214720), (2240, 1188148), (2336, 1139320), (2504, 1062880), (2555, 1041664), (2912, 913960), (2920, 911456), (3130, 850304), (3328, 799715), (3640, 731168), (3796, 701120), (4069, 654080), (4088, 651040), (4160, 639772), (4382, 607360), (4480, 594074), (4672, 569660), (4745, 560896), (5008, 531440), (5110, 520832), (5824, 456980), (5840, 455728), (6260, 425152), (6643, 400640), (7280, 365584), (7592, 350560), (8138, 327040), (8176, 325520), (8320, 319886), (8764, 303680), (8960, 297037), (9344, 284830), (9490, 280448), (10016, 265720), (10220, 260416), (10955, 242944), (11648, 228490), (11680, 227864), (12520, 212576), (13286, 200320), (14560, 182792), (15184, 175280), (16276, 163520), (16352, 162760), (16640, 159943), (17528, 151840), (18688, 142415), (18980, 140224), (20032, 132860), (20345, 130816), (20440, 130208), (21910, 121472), (22849, 116480), (23296, 114245), (23360, 113932), (25040, 106288), (26572, 100160), (28483, 93440), (29120, 91396), (30368, 87640), (32552, 81760), (32704, 81380), (33215, 80128), (35056, 75920), (37960, 70112), (40064, 66430), (40690, 65408), (40880, 65104), (43820, 60736), (45698, 58240), (46720, 56966), (50080, 53144)]