81426240

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{577}}^1$

素因数の和:614

約数の個数: 252

約数和(自身を含む): 326363076

約数和(自身を除く): 244936836

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 577, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1154, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1731, 1764, 1960, 2016, 2205, 2240, 2308, 2352, 2520, 2880, 2885, 2940, 3136, 3360, 3462, 3528, 3920, 4032, 4039, 4410, 4616, 4704, 5040, 5193, 5770, 5880, 6720, 6924, 7056, 7840, 8078, 8655, 8820, 9232, 9408, 10080, 10386, 11540, 11760, 12117, 13848, 14112, 15680, 16156, 17310, 17640, 18464, 20160, 20195, 20772, 23080, 23520, 24234, 25965, 27696, 28224, 28273, 32312, 34620, 35280, 36351, 36928, 40390, 41544, 46160, 47040, 48468, 51930, 55392, 56546, 60585, 64624, 69240, 70560, 72702, 80780, 83088, 84819, 92320, 96936, 103860, 110784, 113092, 121170, 129248, 138480, 141120, 141365, 145404, 161560, 166176, 169638, 181755, 184640, 193872, 207720, 226184, 242340, 254457, 258496, 276960, 282730, 290808, 323120, 332352, 339276, 363510, 387744, 415440, 424095, 452368, 484680, 508914, 553920, 565460, 581616, 646240, 678552, 727020, 775488, 830880, 848190, 904736, 969360, 1017828, 1130920, 1163232, 1272285, 1292480, 1357104, 1454040, 1661760, 1696380, 1809472, 1938720, 2035656, 2261840, 2326464, 2544570, 2714208, 2908080, 3392760, 3877440, 4071312, 4523680, 5089140, 5428416, 5816160, 6785520, 8142624, 9047360, 10178280, 11632320, 13571040, 16285248, 20356560, 27142080, 40713120, 81426240]

約数ペア:

[(1, 81426240), (2, 40713120), (3, 27142080), (4, 20356560), (5, 16285248), (6, 13571040), (7, 11632320), (8, 10178280), (9, 9047360), (10, 8142624), (12, 6785520), (14, 5816160), (15, 5428416), (16, 5089140), (18, 4523680), (20, 4071312), (21, 3877440), (24, 3392760), (28, 2908080), (30, 2714208), (32, 2544570), (35, 2326464), (36, 2261840), (40, 2035656), (42, 1938720), (45, 1809472), (48, 1696380), (49, 1661760), (56, 1454040), (60, 1357104), (63, 1292480), (64, 1272285), (70, 1163232), (72, 1130920), (80, 1017828), (84, 969360), (90, 904736), (96, 848190), (98, 830880), (105, 775488), (112, 727020), (120, 678552), (126, 646240), (140, 581616), (144, 565460), (147, 553920), (160, 508914), (168, 484680), (180, 452368), (192, 424095), (196, 415440), (210, 387744), (224, 363510), (240, 339276), (245, 332352), (252, 323120), (280, 290808), (288, 282730), (294, 276960), (315, 258496), (320, 254457), (336, 242340), (360, 226184), (392, 207720), (420, 193872), (441, 184640), (448, 181755), (480, 169638), (490, 166176), (504, 161560), (560, 145404), (576, 141365), (577, 141120), (588, 138480), (630, 129248), (672, 121170), (720, 113092), (735, 110784), (784, 103860), (840, 96936), (882, 92320), (960, 84819), (980, 83088), (1008, 80780), (1120, 72702), (1154, 70560), (1176, 69240), (1260, 64624), (1344, 60585), (1440, 56546), (1470, 55392), (1568, 51930), (1680, 48468), (1731, 47040), (1764, 46160), (1960, 41544), (2016, 40390), (2205, 36928), (2240, 36351), (2308, 35280), (2352, 34620), (2520, 32312), (2880, 28273), (2885, 28224), (2940, 27696), (3136, 25965), (3360, 24234), (3462, 23520), (3528, 23080), (3920, 20772), (4032, 20195), (4039, 20160), (4410, 18464), (4616, 17640), (4704, 17310), (5040, 16156), (5193, 15680), (5770, 14112), (5880, 13848), (6720, 12117), (6924, 11760), (7056, 11540), (7840, 10386), (8078, 10080), (8655, 9408), (8820, 9232)]