686265840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:656

約数の個数: 240

約数和(自身を含む): 2503152288

約数和(自身を除く): 1816886448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 157, 180, 195, 208, 234, 240, 260, 312, 314, 360, 390, 467, 468, 471, 520, 585, 624, 628, 720, 780, 785, 934, 936, 942, 1040, 1170, 1256, 1401, 1413, 1560, 1570, 1868, 1872, 1884, 2041, 2335, 2340, 2355, 2512, 2802, 2826, 3120, 3140, 3736, 3768, 4082, 4203, 4670, 4680, 4710, 5604, 5652, 6071, 6123, 6280, 7005, 7065, 7472, 7536, 8164, 8406, 9340, 9360, 9420, 10205, 11208, 11304, 12142, 12246, 12560, 14010, 14130, 16328, 16812, 18213, 18369, 18680, 18840, 20410, 21015, 22416, 22608, 24284, 24492, 28020, 28260, 30355, 30615, 32656, 33624, 36426, 36738, 37360, 37680, 40820, 42030, 48568, 48984, 54639, 56040, 56520, 60710, 61230, 67248, 72852, 73319, 73476, 81640, 84060, 91065, 91845, 97136, 97968, 109278, 112080, 113040, 121420, 122460, 145704, 146638, 146952, 163280, 168120, 182130, 183690, 218556, 219957, 242840, 244920, 273195, 291408, 293276, 293904, 336240, 364260, 366595, 367380, 437112, 439914, 485680, 489840, 546390, 586552, 659871, 728520, 733190, 734760, 874224, 879828, 953147, 1092780, 1099785, 1173104, 1319742, 1457040, 1466380, 1469520, 1759656, 1906294, 2185560, 2199570, 2639484, 2859441, 2932760, 3299355, 3519312, 3812588, 4371120, 4399140, 4765735, 5278968, 5718882, 5865520, 6598710, 7625176, 8578323, 8798280, 9531470, 10557936, 11437764, 13197420, 14297205, 15250352, 17156646, 17596560, 19062940, 22875528, 26394840, 28594410, 34313292, 38125880, 42891615, 45751056, 52789680, 57188820, 68626584, 76251760, 85783230, 114377640, 137253168, 171566460, 228755280, 343132920, 686265840]

約数ペア:

[(1, 686265840), (2, 343132920), (3, 228755280), (4, 171566460), (5, 137253168), (6, 114377640), (8, 85783230), (9, 76251760), (10, 68626584), (12, 57188820), (13, 52789680), (15, 45751056), (16, 42891615), (18, 38125880), (20, 34313292), (24, 28594410), (26, 26394840), (30, 22875528), (36, 19062940), (39, 17596560), (40, 17156646), (45, 15250352), (48, 14297205), (52, 13197420), (60, 11437764), (65, 10557936), (72, 9531470), (78, 8798280), (80, 8578323), (90, 7625176), (104, 6598710), (117, 5865520), (120, 5718882), (130, 5278968), (144, 4765735), (156, 4399140), (157, 4371120), (180, 3812588), (195, 3519312), (208, 3299355), (234, 2932760), (240, 2859441), (260, 2639484), (312, 2199570), (314, 2185560), (360, 1906294), (390, 1759656), (467, 1469520), (468, 1466380), (471, 1457040), (520, 1319742), (585, 1173104), (624, 1099785), (628, 1092780), (720, 953147), (780, 879828), (785, 874224), (934, 734760), (936, 733190), (942, 728520), (1040, 659871), (1170, 586552), (1256, 546390), (1401, 489840), (1413, 485680), (1560, 439914), (1570, 437112), (1868, 367380), (1872, 366595), (1884, 364260), (2041, 336240), (2335, 293904), (2340, 293276), (2355, 291408), (2512, 273195), (2802, 244920), (2826, 242840), (3120, 219957), (3140, 218556), (3736, 183690), (3768, 182130), (4082, 168120), (4203, 163280), (4670, 146952), (4680, 146638), (4710, 145704), (5604, 122460), (5652, 121420), (6071, 113040), (6123, 112080), (6280, 109278), (7005, 97968), (7065, 97136), (7472, 91845), (7536, 91065), (8164, 84060), (8406, 81640), (9340, 73476), (9360, 73319), (9420, 72852), (10205, 67248), (11208, 61230), (11304, 60710), (12142, 56520), (12246, 56040), (12560, 54639), (14010, 48984), (14130, 48568), (16328, 42030), (16812, 40820), (18213, 37680), (18369, 37360), (18680, 36738), (18840, 36426), (20410, 33624), (21015, 32656), (22416, 30615), (22608, 30355), (24284, 28260), (24492, 28020)]