51845640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:244

約数の個数: 256

約数和(自身を含む): 201277440

約数和(自身を除く): 149431800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 55, 56, 60, 62, 66, 70, 77, 84, 88, 93, 105, 110, 120, 124, 132, 140, 154, 155, 165, 168, 181, 186, 210, 217, 220, 231, 248, 264, 280, 308, 310, 330, 341, 362, 372, 385, 420, 434, 440, 462, 465, 543, 616, 620, 651, 660, 682, 724, 744, 770, 840, 868, 905, 924, 930, 1023, 1085, 1086, 1155, 1240, 1267, 1302, 1320, 1364, 1448, 1540, 1705, 1736, 1810, 1848, 1860, 1991, 2046, 2170, 2172, 2310, 2387, 2534, 2604, 2715, 2728, 3080, 3255, 3410, 3620, 3720, 3801, 3982, 4092, 4340, 4344, 4620, 4774, 5068, 5115, 5208, 5430, 5611, 5973, 6335, 6510, 6820, 7161, 7240, 7602, 7964, 8184, 8680, 9240, 9548, 9955, 10136, 10230, 10860, 11222, 11935, 11946, 12670, 13020, 13640, 13937, 14322, 15204, 15928, 16833, 19005, 19096, 19910, 20460, 21720, 22444, 23870, 23892, 25340, 26040, 27874, 28055, 28644, 29865, 30408, 33666, 35805, 38010, 39277, 39820, 40920, 41811, 44888, 47740, 47784, 50680, 55748, 56110, 57288, 59730, 61721, 67332, 69685, 71610, 76020, 78554, 79640, 83622, 84165, 95480, 111496, 112220, 117831, 119460, 123442, 134664, 139370, 143220, 152040, 157108, 167244, 168330, 185163, 196385, 209055, 224440, 235662, 238920, 246884, 278740, 286440, 308605, 314216, 334488, 336660, 370326, 392770, 418110, 432047, 471324, 493768, 557480, 589155, 617210, 673320, 740652, 785540, 836220, 864094, 925815, 942648, 1178310, 1234420, 1296141, 1481304, 1571080, 1672440, 1728188, 1851630, 2160235, 2356620, 2468840, 2592282, 3456376, 3703260, 4320470, 4713240, 5184564, 6480705, 7406520, 8640940, 10369128, 12961410, 17281880, 25922820, 51845640]

約数ペア:

[(1, 51845640), (2, 25922820), (3, 17281880), (4, 12961410), (5, 10369128), (6, 8640940), (7, 7406520), (8, 6480705), (10, 5184564), (11, 4713240), (12, 4320470), (14, 3703260), (15, 3456376), (20, 2592282), (21, 2468840), (22, 2356620), (24, 2160235), (28, 1851630), (30, 1728188), (31, 1672440), (33, 1571080), (35, 1481304), (40, 1296141), (42, 1234420), (44, 1178310), (55, 942648), (56, 925815), (60, 864094), (62, 836220), (66, 785540), (70, 740652), (77, 673320), (84, 617210), (88, 589155), (93, 557480), (105, 493768), (110, 471324), (120, 432047), (124, 418110), (132, 392770), (140, 370326), (154, 336660), (155, 334488), (165, 314216), (168, 308605), (181, 286440), (186, 278740), (210, 246884), (217, 238920), (220, 235662), (231, 224440), (248, 209055), (264, 196385), (280, 185163), (308, 168330), (310, 167244), (330, 157108), (341, 152040), (362, 143220), (372, 139370), (385, 134664), (420, 123442), (434, 119460), (440, 117831), (462, 112220), (465, 111496), (543, 95480), (616, 84165), (620, 83622), (651, 79640), (660, 78554), (682, 76020), (724, 71610), (744, 69685), (770, 67332), (840, 61721), (868, 59730), (905, 57288), (924, 56110), (930, 55748), (1023, 50680), (1085, 47784), (1086, 47740), (1155, 44888), (1240, 41811), (1267, 40920), (1302, 39820), (1320, 39277), (1364, 38010), (1448, 35805), (1540, 33666), (1705, 30408), (1736, 29865), (1810, 28644), (1848, 28055), (1860, 27874), (1991, 26040), (2046, 25340), (2170, 23892), (2172, 23870), (2310, 22444), (2387, 21720), (2534, 20460), (2604, 19910), (2715, 19096), (2728, 19005), (3080, 16833), (3255, 15928), (3410, 15204), (3620, 14322), (3720, 13937), (3801, 13640), (3982, 13020), (4092, 12670), (4340, 11946), (4344, 11935), (4620, 11222), (4774, 10860), (5068, 10230), (5115, 10136), (5208, 9955), (5430, 9548), (5611, 9240), (5973, 8680), (6335, 8184), (6510, 7964), (6820, 7602), (7161, 7240)]