80426640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{977}}^1$

素因数の和:1014

約数の個数: 160

約数和(自身を含む): 291052800

約数和(自身を除く): 210626160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 977, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1954, 1960, 2058, 2352, 2744, 2931, 2940, 3430, 3908, 3920, 4116, 4885, 5145, 5488, 5862, 5880, 6839, 6860, 7816, 8232, 9770, 10290, 11724, 11760, 13678, 13720, 14655, 15632, 16464, 19540, 20517, 20580, 23448, 27356, 27440, 29310, 34195, 39080, 41034, 41160, 46896, 47873, 54712, 58620, 68390, 78160, 82068, 82320, 95746, 102585, 109424, 117240, 136780, 143619, 164136, 191492, 205170, 234480, 239365, 273560, 287238, 328272, 335111, 382984, 410340, 478730, 547120, 574476, 670222, 718095, 765968, 820680, 957460, 1005333, 1148952, 1340444, 1436190, 1641360, 1675555, 1914920, 2010666, 2297904, 2680888, 2872380, 3351110, 3829840, 4021332, 5026665, 5361776, 5744760, 6702220, 8042664, 10053330, 11489520, 13404440, 16085328, 20106660, 26808880, 40213320, 80426640]

約数ペア:

[(1, 80426640), (2, 40213320), (3, 26808880), (4, 20106660), (5, 16085328), (6, 13404440), (7, 11489520), (8, 10053330), (10, 8042664), (12, 6702220), (14, 5744760), (15, 5361776), (16, 5026665), (20, 4021332), (21, 3829840), (24, 3351110), (28, 2872380), (30, 2680888), (35, 2297904), (40, 2010666), (42, 1914920), (48, 1675555), (49, 1641360), (56, 1436190), (60, 1340444), (70, 1148952), (80, 1005333), (84, 957460), (98, 820680), (105, 765968), (112, 718095), (120, 670222), (140, 574476), (147, 547120), (168, 478730), (196, 410340), (210, 382984), (240, 335111), (245, 328272), (280, 287238), (294, 273560), (336, 239365), (343, 234480), (392, 205170), (420, 191492), (490, 164136), (560, 143619), (588, 136780), (686, 117240), (735, 109424), (784, 102585), (840, 95746), (977, 82320), (980, 82068), (1029, 78160), (1176, 68390), (1372, 58620), (1470, 54712), (1680, 47873), (1715, 46896), (1954, 41160), (1960, 41034), (2058, 39080), (2352, 34195), (2744, 29310), (2931, 27440), (2940, 27356), (3430, 23448), (3908, 20580), (3920, 20517), (4116, 19540), (4885, 16464), (5145, 15632), (5488, 14655), (5862, 13720), (5880, 13678), (6839, 11760), (6860, 11724), (7816, 10290), (8232, 9770)]