68168520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 256

約数和(自身を含む): 265420800

約数和(自身を除く): 197252280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 71, 72, 84, 90, 105, 108, 120, 126, 127, 135, 140, 142, 168, 180, 189, 210, 213, 216, 252, 254, 270, 280, 284, 315, 355, 360, 378, 381, 420, 426, 497, 504, 508, 540, 568, 630, 635, 639, 710, 756, 762, 840, 852, 889, 945, 994, 1016, 1065, 1080, 1143, 1260, 1270, 1278, 1420, 1491, 1512, 1524, 1704, 1778, 1890, 1905, 1917, 1988, 2130, 2286, 2485, 2520, 2540, 2556, 2667, 2840, 2982, 3048, 3195, 3429, 3556, 3780, 3810, 3834, 3976, 4260, 4445, 4473, 4572, 4970, 5080, 5112, 5334, 5715, 5964, 6390, 6858, 7112, 7455, 7560, 7620, 7668, 8001, 8520, 8890, 8946, 9017, 9144, 9585, 9940, 10668, 11430, 11928, 12780, 13335, 13419, 13716, 14910, 15240, 15336, 16002, 17145, 17780, 17892, 18034, 19170, 19880, 21336, 22365, 22860, 24003, 25560, 26670, 26838, 27051, 27432, 29820, 32004, 34290, 35560, 35784, 36068, 38340, 40005, 44730, 45085, 45720, 48006, 53340, 53676, 54102, 59640, 63119, 64008, 67095, 68580, 72136, 76680, 80010, 81153, 89460, 90170, 96012, 106680, 107352, 108204, 120015, 126238, 134190, 135255, 137160, 160020, 162306, 178920, 180340, 189357, 192024, 216408, 240030, 243459, 252476, 268380, 270510, 315595, 320040, 324612, 360680, 378714, 405765, 480060, 486918, 504952, 536760, 541020, 568071, 631190, 649224, 757428, 811530, 946785, 960120, 973836, 1082040, 1136142, 1217295, 1262380, 1514856, 1623060, 1704213, 1893570, 1947672, 2272284, 2434590, 2524760, 2840355, 3246120, 3408426, 3787140, 4544568, 4869180, 5680710, 6816852, 7574280, 8521065, 9738360, 11361420, 13633704, 17042130, 22722840, 34084260, 68168520]

約数ペア:

[(1, 68168520), (2, 34084260), (3, 22722840), (4, 17042130), (5, 13633704), (6, 11361420), (7, 9738360), (8, 8521065), (9, 7574280), (10, 6816852), (12, 5680710), (14, 4869180), (15, 4544568), (18, 3787140), (20, 3408426), (21, 3246120), (24, 2840355), (27, 2524760), (28, 2434590), (30, 2272284), (35, 1947672), (36, 1893570), (40, 1704213), (42, 1623060), (45, 1514856), (54, 1262380), (56, 1217295), (60, 1136142), (63, 1082040), (70, 973836), (71, 960120), (72, 946785), (84, 811530), (90, 757428), (105, 649224), (108, 631190), (120, 568071), (126, 541020), (127, 536760), (135, 504952), (140, 486918), (142, 480060), (168, 405765), (180, 378714), (189, 360680), (210, 324612), (213, 320040), (216, 315595), (252, 270510), (254, 268380), (270, 252476), (280, 243459), (284, 240030), (315, 216408), (355, 192024), (360, 189357), (378, 180340), (381, 178920), (420, 162306), (426, 160020), (497, 137160), (504, 135255), (508, 134190), (540, 126238), (568, 120015), (630, 108204), (635, 107352), (639, 106680), (710, 96012), (756, 90170), (762, 89460), (840, 81153), (852, 80010), (889, 76680), (945, 72136), (994, 68580), (1016, 67095), (1065, 64008), (1080, 63119), (1143, 59640), (1260, 54102), (1270, 53676), (1278, 53340), (1420, 48006), (1491, 45720), (1512, 45085), (1524, 44730), (1704, 40005), (1778, 38340), (1890, 36068), (1905, 35784), (1917, 35560), (1988, 34290), (2130, 32004), (2286, 29820), (2485, 27432), (2520, 27051), (2540, 26838), (2556, 26670), (2667, 25560), (2840, 24003), (2982, 22860), (3048, 22365), (3195, 21336), (3429, 19880), (3556, 19170), (3780, 18034), (3810, 17892), (3834, 17780), (3976, 17145), (4260, 16002), (4445, 15336), (4473, 15240), (4572, 14910), (4970, 13716), (5080, 13419), (5112, 13335), (5334, 12780), (5715, 11928), (5964, 11430), (6390, 10668), (6858, 9940), (7112, 9585), (7455, 9144), (7560, 9017), (7620, 8946), (7668, 8890), (8001, 8520)]