12907440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:236

約数の個数: 240

約数和(自身を含む): 53621568

約数和(自身を除く): 40714128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 197, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 394, 420, 455, 468, 504, 520, 546, 560, 585, 591, 624, 630, 720, 728, 780, 788, 819, 840, 910, 936, 985, 1008, 1040, 1092, 1170, 1182, 1260, 1365, 1379, 1456, 1560, 1576, 1638, 1680, 1773, 1820, 1872, 1970, 2184, 2340, 2364, 2520, 2561, 2730, 2758, 2955, 3120, 3152, 3276, 3546, 3640, 3940, 4095, 4137, 4368, 4680, 4728, 5040, 5122, 5460, 5516, 5910, 6552, 6895, 7092, 7280, 7683, 7880, 8190, 8274, 8865, 9360, 9456, 10244, 10920, 11032, 11820, 12411, 12805, 13104, 13790, 14184, 15366, 15760, 16380, 16548, 17730, 17927, 20488, 20685, 21840, 22064, 23049, 23640, 24822, 25610, 27580, 28368, 30732, 32760, 33096, 35460, 35854, 38415, 40976, 41370, 46098, 47280, 49644, 51220, 53781, 55160, 61464, 62055, 65520, 66192, 70920, 71708, 76830, 82740, 89635, 92196, 99288, 102440, 107562, 110320, 115245, 122928, 124110, 141840, 143416, 153660, 161343, 165480, 179270, 184392, 198576, 204880, 215124, 230490, 248220, 268905, 286832, 307320, 322686, 330960, 358540, 368784, 430248, 460980, 496440, 537810, 614640, 645372, 717080, 806715, 860496, 921960, 992880, 1075620, 1290744, 1434160, 1613430, 1843920, 2151240, 2581488, 3226860, 4302480, 6453720, 12907440]

約数ペア:

[(1, 12907440), (2, 6453720), (3, 4302480), (4, 3226860), (5, 2581488), (6, 2151240), (7, 1843920), (8, 1613430), (9, 1434160), (10, 1290744), (12, 1075620), (13, 992880), (14, 921960), (15, 860496), (16, 806715), (18, 717080), (20, 645372), (21, 614640), (24, 537810), (26, 496440), (28, 460980), (30, 430248), (35, 368784), (36, 358540), (39, 330960), (40, 322686), (42, 307320), (45, 286832), (48, 268905), (52, 248220), (56, 230490), (60, 215124), (63, 204880), (65, 198576), (70, 184392), (72, 179270), (78, 165480), (80, 161343), (84, 153660), (90, 143416), (91, 141840), (104, 124110), (105, 122928), (112, 115245), (117, 110320), (120, 107562), (126, 102440), (130, 99288), (140, 92196), (144, 89635), (156, 82740), (168, 76830), (180, 71708), (182, 70920), (195, 66192), (197, 65520), (208, 62055), (210, 61464), (234, 55160), (240, 53781), (252, 51220), (260, 49644), (273, 47280), (280, 46098), (312, 41370), (315, 40976), (336, 38415), (360, 35854), (364, 35460), (390, 33096), (394, 32760), (420, 30732), (455, 28368), (468, 27580), (504, 25610), (520, 24822), (546, 23640), (560, 23049), (585, 22064), (591, 21840), (624, 20685), (630, 20488), (720, 17927), (728, 17730), (780, 16548), (788, 16380), (819, 15760), (840, 15366), (910, 14184), (936, 13790), (985, 13104), (1008, 12805), (1040, 12411), (1092, 11820), (1170, 11032), (1182, 10920), (1260, 10244), (1365, 9456), (1379, 9360), (1456, 8865), (1560, 8274), (1576, 8190), (1638, 7880), (1680, 7683), (1773, 7280), (1820, 7092), (1872, 6895), (1970, 6552), (2184, 5910), (2340, 5516), (2364, 5460), (2520, 5122), (2561, 5040), (2730, 4728), (2758, 4680), (2955, 4368), (3120, 4137), (3152, 4095), (3276, 3940), (3546, 3640)]