257108040

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:577

約数の個数: 256

約数和(自身を含む): 995328000

約数和(自身を除く): 738219960

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, 135, 140, 142, 168, 180, 189, 210, 213, 216, 252, 270, 280, 284, 315, 355, 360, 378, 420, 426, 479, 497, 504, 540, 568, 630, 639, 710, 756, 840, 852, 945, 958, 994, 1065, 1080, 1260, 1278, 1420, 1437, 1491, 1512, 1704, 1890, 1916, 1917, 1988, 2130, 2395, 2485, 2520, 2556, 2840, 2874, 2982, 3195, 3353, 3780, 3832, 3834, 3976, 4260, 4311, 4473, 4790, 4970, 5112, 5748, 5964, 6390, 6706, 7185, 7455, 7560, 7668, 8520, 8622, 8946, 9580, 9585, 9940, 10059, 11496, 11928, 12780, 12933, 13412, 13419, 14370, 14910, 15336, 16765, 17244, 17892, 19160, 19170, 19880, 20118, 21555, 22365, 25560, 25866, 26824, 26838, 28740, 29820, 30177, 33530, 34009, 34488, 35784, 38340, 40236, 43110, 44730, 50295, 51732, 53676, 57480, 59640, 60354, 64665, 67060, 67095, 68018, 76680, 80472, 86220, 89460, 90531, 100590, 102027, 103464, 107352, 120708, 129330, 134120, 134190, 136036, 150885, 170045, 172440, 178920, 181062, 201180, 204054, 238063, 241416, 258660, 268380, 272072, 301770, 306081, 340090, 362124, 402360, 408108, 452655, 476126, 510135, 517320, 536760, 603540, 612162, 680180, 714189, 724248, 816216, 905310, 918243, 952252, 1020270, 1190315, 1207080, 1224324, 1360360, 1428378, 1530405, 1810620, 1836486, 1904504, 2040540, 2142567, 2380630, 2448648, 2856756, 3060810, 3570945, 3621240, 3672972, 4081080, 4285134, 4591215, 4761260, 5713512, 6121620, 6427701, 7141890, 7345944, 8570268, 9182430, 9522520, 10712835, 12243240, 12855402, 14283780, 17140536, 18364860, 21425670, 25710804, 28567560, 32138505, 36729720, 42851340, 51421608, 64277010, 85702680, 128554020, 257108040]

約数ペア:

[(1, 257108040), (2, 128554020), (3, 85702680), (4, 64277010), (5, 51421608), (6, 42851340), (7, 36729720), (8, 32138505), (9, 28567560), (10, 25710804), (12, 21425670), (14, 18364860), (15, 17140536), (18, 14283780), (20, 12855402), (21, 12243240), (24, 10712835), (27, 9522520), (28, 9182430), (30, 8570268), (35, 7345944), (36, 7141890), (40, 6427701), (42, 6121620), (45, 5713512), (54, 4761260), (56, 4591215), (60, 4285134), (63, 4081080), (70, 3672972), (71, 3621240), (72, 3570945), (84, 3060810), (90, 2856756), (105, 2448648), (108, 2380630), (120, 2142567), (126, 2040540), (135, 1904504), (140, 1836486), (142, 1810620), (168, 1530405), (180, 1428378), (189, 1360360), (210, 1224324), (213, 1207080), (216, 1190315), (252, 1020270), (270, 952252), (280, 918243), (284, 905310), (315, 816216), (355, 724248), (360, 714189), (378, 680180), (420, 612162), (426, 603540), (479, 536760), (497, 517320), (504, 510135), (540, 476126), (568, 452655), (630, 408108), (639, 402360), (710, 362124), (756, 340090), (840, 306081), (852, 301770), (945, 272072), (958, 268380), (994, 258660), (1065, 241416), (1080, 238063), (1260, 204054), (1278, 201180), (1420, 181062), (1437, 178920), (1491, 172440), (1512, 170045), (1704, 150885), (1890, 136036), (1916, 134190), (1917, 134120), (1988, 129330), (2130, 120708), (2395, 107352), (2485, 103464), (2520, 102027), (2556, 100590), (2840, 90531), (2874, 89460), (2982, 86220), (3195, 80472), (3353, 76680), (3780, 68018), (3832, 67095), (3834, 67060), (3976, 64665), (4260, 60354), (4311, 59640), (4473, 57480), (4790, 53676), (4970, 51732), (5112, 50295), (5748, 44730), (5964, 43110), (6390, 40236), (6706, 38340), (7185, 35784), (7455, 34488), (7560, 34009), (7668, 33530), (8520, 30177), (8622, 29820), (8946, 28740), (9580, 26838), (9585, 26824), (9940, 25866), (10059, 25560), (11496, 22365), (11928, 21555), (12780, 20118), (12933, 19880), (13412, 19170), (13419, 19160), (14370, 17892), (14910, 17244), (15336, 16765)]