66688440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 256

約数和(自身を含む): 255467520

約数和(自身を除く): 188779080

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, 197, 210, 217, 248, 260, 273, 280, 310, 312, 364, 372, 390, 394, 403, 420, 434, 455, 465, 520, 546, 591, 620, 651, 728, 744, 780, 788, 806, 840, 868, 910, 930, 985, 1085, 1092, 1182, 1209, 1240, 1302, 1365, 1379, 1560, 1576, 1612, 1736, 1820, 1860, 1970, 2015, 2170, 2184, 2364, 2418, 2561, 2604, 2730, 2758, 2821, 2955, 3224, 3255, 3640, 3720, 3940, 4030, 4137, 4340, 4728, 4836, 5122, 5208, 5460, 5516, 5642, 5910, 6045, 6107, 6510, 6895, 7683, 7880, 8060, 8274, 8463, 8680, 9672, 10244, 10920, 11032, 11284, 11820, 12090, 12214, 12805, 13020, 13790, 14105, 15366, 16120, 16548, 16926, 17927, 18321, 20488, 20685, 22568, 23640, 24180, 24428, 25610, 26040, 27580, 28210, 30535, 30732, 33096, 33852, 35854, 36642, 38415, 41370, 42315, 42749, 48360, 48856, 51220, 53781, 55160, 56420, 61070, 61464, 67704, 71708, 73284, 76830, 79391, 82740, 84630, 85498, 89635, 91605, 102440, 107562, 112840, 122140, 128247, 143416, 146568, 153660, 158782, 165480, 169260, 170996, 179270, 183210, 213745, 215124, 238173, 244280, 256494, 268905, 307320, 317564, 338520, 341992, 358540, 366420, 396955, 427490, 430248, 476346, 512988, 537810, 555737, 635128, 641235, 717080, 732840, 793910, 854980, 952692, 1025976, 1075620, 1111474, 1190865, 1282470, 1587820, 1667211, 1709960, 1905384, 2151240, 2222948, 2381730, 2564940, 2778685, 3175640, 3334422, 4445896, 4763460, 5129880, 5557370, 6668844, 8336055, 9526920, 11114740, 13337688, 16672110, 22229480, 33344220, 66688440]

約数ペア:

[(1, 66688440), (2, 33344220), (3, 22229480), (4, 16672110), (5, 13337688), (6, 11114740), (7, 9526920), (8, 8336055), (10, 6668844), (12, 5557370), (13, 5129880), (14, 4763460), (15, 4445896), (20, 3334422), (21, 3175640), (24, 2778685), (26, 2564940), (28, 2381730), (30, 2222948), (31, 2151240), (35, 1905384), (39, 1709960), (40, 1667211), (42, 1587820), (52, 1282470), (56, 1190865), (60, 1111474), (62, 1075620), (65, 1025976), (70, 952692), (78, 854980), (84, 793910), (91, 732840), (93, 717080), (104, 641235), (105, 635128), (120, 555737), (124, 537810), (130, 512988), (140, 476346), (155, 430248), (156, 427490), (168, 396955), (182, 366420), (186, 358540), (195, 341992), (197, 338520), (210, 317564), (217, 307320), (248, 268905), (260, 256494), (273, 244280), (280, 238173), (310, 215124), (312, 213745), (364, 183210), (372, 179270), (390, 170996), (394, 169260), (403, 165480), (420, 158782), (434, 153660), (455, 146568), (465, 143416), (520, 128247), (546, 122140), (591, 112840), (620, 107562), (651, 102440), (728, 91605), (744, 89635), (780, 85498), (788, 84630), (806, 82740), (840, 79391), (868, 76830), (910, 73284), (930, 71708), (985, 67704), (1085, 61464), (1092, 61070), (1182, 56420), (1209, 55160), (1240, 53781), (1302, 51220), (1365, 48856), (1379, 48360), (1560, 42749), (1576, 42315), (1612, 41370), (1736, 38415), (1820, 36642), (1860, 35854), (1970, 33852), (2015, 33096), (2170, 30732), (2184, 30535), (2364, 28210), (2418, 27580), (2561, 26040), (2604, 25610), (2730, 24428), (2758, 24180), (2821, 23640), (2955, 22568), (3224, 20685), (3255, 20488), (3640, 18321), (3720, 17927), (3940, 16926), (4030, 16548), (4137, 16120), (4340, 15366), (4728, 14105), (4836, 13790), (5122, 13020), (5208, 12805), (5460, 12214), (5516, 12090), (5642, 11820), (5910, 11284), (6045, 11032), (6107, 10920), (6510, 10244), (6895, 9672), (7683, 8680), (7880, 8463), (8060, 8274)]