290788680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:924

約数の個数: 256

約数和(自身を含む): 1109606400

約数和(自身を除く): 818817720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 52, 56, 60, 62, 65, 70, 78, 84, 91, 93, 104, 105, 120, 124, 130, 140, 155, 156, 168, 182, 186, 195, 210, 217, 248, 260, 273, 280, 310, 312, 364, 372, 390, 403, 420, 434, 455, 465, 520, 546, 620, 651, 728, 744, 780, 806, 840, 859, 868, 910, 930, 1085, 1092, 1209, 1240, 1302, 1365, 1560, 1612, 1718, 1736, 1820, 1860, 2015, 2170, 2184, 2418, 2577, 2604, 2730, 2821, 3224, 3255, 3436, 3640, 3720, 4030, 4295, 4340, 4836, 5154, 5208, 5460, 5642, 6013, 6045, 6510, 6872, 8060, 8463, 8590, 8680, 9672, 10308, 10920, 11167, 11284, 12026, 12090, 12885, 13020, 14105, 16120, 16926, 17180, 18039, 20616, 22334, 22568, 24052, 24180, 25770, 26040, 26629, 28210, 30065, 33501, 33852, 34360, 36078, 42315, 44668, 48104, 48360, 51540, 53258, 55835, 56420, 60130, 67002, 67704, 72156, 78169, 79887, 84630, 89336, 90195, 103080, 106516, 111670, 112840, 120260, 133145, 134004, 144312, 156338, 159774, 167505, 169260, 180390, 186403, 213032, 223340, 234507, 240520, 266290, 268008, 312676, 319548, 335010, 338520, 346177, 360780, 372806, 390845, 399435, 446680, 469014, 532580, 559209, 625352, 639096, 670020, 692354, 721560, 745612, 781690, 798870, 932015, 938028, 1038531, 1065160, 1118418, 1172535, 1340040, 1384708, 1491224, 1563380, 1597740, 1730885, 1864030, 1876056, 2077062, 2236836, 2345070, 2423239, 2769416, 2796045, 3126760, 3195480, 3461770, 3728060, 4154124, 4473672, 4690140, 4846478, 5192655, 5592090, 6923540, 7269717, 7456120, 8308248, 9380280, 9692956, 10385310, 11184180, 12116195, 13847080, 14539434, 19385912, 20770620, 22368360, 24232390, 29078868, 36348585, 41541240, 48464780, 58157736, 72697170, 96929560, 145394340, 290788680]

約数ペア:

[(1, 290788680), (2, 145394340), (3, 96929560), (4, 72697170), (5, 58157736), (6, 48464780), (7, 41541240), (8, 36348585), (10, 29078868), (12, 24232390), (13, 22368360), (14, 20770620), (15, 19385912), (20, 14539434), (21, 13847080), (24, 12116195), (26, 11184180), (28, 10385310), (30, 9692956), (31, 9380280), (35, 8308248), (39, 7456120), (40, 7269717), (42, 6923540), (52, 5592090), (56, 5192655), (60, 4846478), (62, 4690140), (65, 4473672), (70, 4154124), (78, 3728060), (84, 3461770), (91, 3195480), (93, 3126760), (104, 2796045), (105, 2769416), (120, 2423239), (124, 2345070), (130, 2236836), (140, 2077062), (155, 1876056), (156, 1864030), (168, 1730885), (182, 1597740), (186, 1563380), (195, 1491224), (210, 1384708), (217, 1340040), (248, 1172535), (260, 1118418), (273, 1065160), (280, 1038531), (310, 938028), (312, 932015), (364, 798870), (372, 781690), (390, 745612), (403, 721560), (420, 692354), (434, 670020), (455, 639096), (465, 625352), (520, 559209), (546, 532580), (620, 469014), (651, 446680), (728, 399435), (744, 390845), (780, 372806), (806, 360780), (840, 346177), (859, 338520), (868, 335010), (910, 319548), (930, 312676), (1085, 268008), (1092, 266290), (1209, 240520), (1240, 234507), (1302, 223340), (1365, 213032), (1560, 186403), (1612, 180390), (1718, 169260), (1736, 167505), (1820, 159774), (1860, 156338), (2015, 144312), (2170, 134004), (2184, 133145), (2418, 120260), (2577, 112840), (2604, 111670), (2730, 106516), (2821, 103080), (3224, 90195), (3255, 89336), (3436, 84630), (3640, 79887), (3720, 78169), (4030, 72156), (4295, 67704), (4340, 67002), (4836, 60130), (5154, 56420), (5208, 55835), (5460, 53258), (5642, 51540), (6013, 48360), (6045, 48104), (6510, 44668), (6872, 42315), (8060, 36078), (8463, 34360), (8590, 33852), (8680, 33501), (9672, 30065), (10308, 28210), (10920, 26629), (11167, 26040), (11284, 25770), (12026, 24180), (12090, 24052), (12885, 22568), (13020, 22334), (14105, 20616), (16120, 18039), (16926, 17180)]