171494820

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{71}}^2$

素因数の和:173

約数の個数: 216

約数和(自身を含む): 625340352

約数和(自身を除く): 453845532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 81, 84, 90, 105, 108, 126, 135, 140, 142, 162, 180, 189, 210, 213, 243, 252, 270, 284, 315, 324, 355, 378, 405, 420, 426, 486, 497, 540, 567, 630, 639, 710, 756, 810, 852, 945, 972, 994, 1065, 1134, 1215, 1260, 1278, 1420, 1491, 1620, 1701, 1890, 1917, 1988, 2130, 2268, 2430, 2485, 2556, 2835, 2982, 3195, 3402, 3780, 3834, 4260, 4473, 4860, 4970, 5041, 5670, 5751, 5964, 6390, 6804, 7455, 7668, 8505, 8946, 9585, 9940, 10082, 11340, 11502, 12780, 13419, 14910, 15123, 17010, 17253, 17892, 19170, 20164, 22365, 23004, 25205, 26838, 28755, 29820, 30246, 34020, 34506, 35287, 38340, 40257, 44730, 45369, 50410, 53676, 57510, 60492, 67095, 69012, 70574, 75615, 80514, 86265, 89460, 90738, 100820, 105861, 115020, 120771, 134190, 136107, 141148, 151230, 161028, 172530, 176435, 181476, 201285, 211722, 226845, 241542, 268380, 272214, 302460, 317583, 345060, 352870, 402570, 408321, 423444, 453690, 483084, 529305, 544428, 603855, 635166, 680535, 705740, 805140, 816642, 907380, 952749, 1058610, 1207710, 1224963, 1270332, 1361070, 1587915, 1633284, 1905498, 2041605, 2117220, 2415420, 2449926, 2722140, 2858247, 3175830, 3810996, 4083210, 4763745, 4899852, 5716494, 6124815, 6351660, 8166420, 8574741, 9527490, 11432988, 12249630, 14291235, 17149482, 19054980, 24499260, 28582470, 34298964, 42873705, 57164940, 85747410, 171494820]

約数ペア:

[(1, 171494820), (2, 85747410), (3, 57164940), (4, 42873705), (5, 34298964), (6, 28582470), (7, 24499260), (9, 19054980), (10, 17149482), (12, 14291235), (14, 12249630), (15, 11432988), (18, 9527490), (20, 8574741), (21, 8166420), (27, 6351660), (28, 6124815), (30, 5716494), (35, 4899852), (36, 4763745), (42, 4083210), (45, 3810996), (54, 3175830), (60, 2858247), (63, 2722140), (70, 2449926), (71, 2415420), (81, 2117220), (84, 2041605), (90, 1905498), (105, 1633284), (108, 1587915), (126, 1361070), (135, 1270332), (140, 1224963), (142, 1207710), (162, 1058610), (180, 952749), (189, 907380), (210, 816642), (213, 805140), (243, 705740), (252, 680535), (270, 635166), (284, 603855), (315, 544428), (324, 529305), (355, 483084), (378, 453690), (405, 423444), (420, 408321), (426, 402570), (486, 352870), (497, 345060), (540, 317583), (567, 302460), (630, 272214), (639, 268380), (710, 241542), (756, 226845), (810, 211722), (852, 201285), (945, 181476), (972, 176435), (994, 172530), (1065, 161028), (1134, 151230), (1215, 141148), (1260, 136107), (1278, 134190), (1420, 120771), (1491, 115020), (1620, 105861), (1701, 100820), (1890, 90738), (1917, 89460), (1988, 86265), (2130, 80514), (2268, 75615), (2430, 70574), (2485, 69012), (2556, 67095), (2835, 60492), (2982, 57510), (3195, 53676), (3402, 50410), (3780, 45369), (3834, 44730), (4260, 40257), (4473, 38340), (4860, 35287), (4970, 34506), (5041, 34020), (5670, 30246), (5751, 29820), (5964, 28755), (6390, 26838), (6804, 25205), (7455, 23004), (7668, 22365), (8505, 20164), (8946, 19170), (9585, 17892), (9940, 17253), (10082, 17010), (11340, 15123), (11502, 14910), (12780, 13419)]