85510880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:881

約数の個数: 144

約数和(自身を含む): 253380960

約数和(自身を除く): 167870080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 839, 910, 980, 1040, 1120, 1274, 1456, 1568, 1678, 1820, 1960, 2080, 2548, 2912, 3185, 3356, 3640, 3920, 4195, 5096, 5873, 6370, 6712, 7280, 7840, 8390, 10192, 10907, 11746, 12740, 13424, 14560, 16780, 20384, 21814, 23492, 25480, 26848, 29365, 33560, 41111, 43628, 46984, 50960, 54535, 58730, 67120, 76349, 82222, 87256, 93968, 101920, 109070, 117460, 134240, 152698, 164444, 174512, 187936, 205555, 218140, 234920, 305396, 328888, 349024, 381745, 411110, 436280, 469840, 534443, 610792, 657776, 763490, 822220, 872560, 939680, 1068886, 1221584, 1315552, 1526980, 1644440, 1745120, 2137772, 2443168, 2672215, 3053960, 3288880, 4275544, 5344430, 6107920, 6577760, 8551088, 10688860, 12215840, 17102176, 21377720, 42755440, 85510880]

約数ペア:

[(1, 85510880), (2, 42755440), (4, 21377720), (5, 17102176), (7, 12215840), (8, 10688860), (10, 8551088), (13, 6577760), (14, 6107920), (16, 5344430), (20, 4275544), (26, 3288880), (28, 3053960), (32, 2672215), (35, 2443168), (40, 2137772), (49, 1745120), (52, 1644440), (56, 1526980), (65, 1315552), (70, 1221584), (80, 1068886), (91, 939680), (98, 872560), (104, 822220), (112, 763490), (130, 657776), (140, 610792), (160, 534443), (182, 469840), (196, 436280), (208, 411110), (224, 381745), (245, 349024), (260, 328888), (280, 305396), (364, 234920), (392, 218140), (416, 205555), (455, 187936), (490, 174512), (520, 164444), (560, 152698), (637, 134240), (728, 117460), (784, 109070), (839, 101920), (910, 93968), (980, 87256), (1040, 82222), (1120, 76349), (1274, 67120), (1456, 58730), (1568, 54535), (1678, 50960), (1820, 46984), (1960, 43628), (2080, 41111), (2548, 33560), (2912, 29365), (3185, 26848), (3356, 25480), (3640, 23492), (3920, 21814), (4195, 20384), (5096, 16780), (5873, 14560), (6370, 13424), (6712, 12740), (7280, 11746), (7840, 10907), (8390, 10192)]