28105230720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{29453}}^1$

素因数の和:29553

約数の個数: 256

約数和(自身を含む): 103828884480

約数和(自身を除く): 75723653760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 71, 80, 84, 96, 105, 112, 120, 128, 140, 142, 160, 168, 192, 210, 213, 224, 240, 280, 284, 320, 336, 355, 384, 420, 426, 448, 480, 497, 560, 568, 640, 672, 710, 840, 852, 896, 960, 994, 1065, 1120, 1136, 1344, 1420, 1491, 1680, 1704, 1920, 1988, 2130, 2240, 2272, 2485, 2688, 2840, 2982, 3360, 3408, 3976, 4260, 4480, 4544, 4970, 5680, 5964, 6720, 6816, 7455, 7952, 8520, 9088, 9940, 11360, 11928, 13440, 13632, 14910, 15904, 17040, 19880, 22720, 23856, 27264, 29453, 29820, 31808, 34080, 39760, 45440, 47712, 58906, 59640, 63616, 68160, 79520, 88359, 95424, 117812, 119280, 136320, 147265, 159040, 176718, 190848, 206171, 235624, 238560, 294530, 318080, 353436, 412342, 441795, 471248, 477120, 589060, 618513, 706872, 824684, 883590, 942496, 954240, 1030855, 1178120, 1237026, 1413744, 1649368, 1767180, 1884992, 2061710, 2091163, 2356240, 2474052, 2827488, 3092565, 3298736, 3534360, 3769984, 4123420, 4182326, 4712480, 4948104, 5654976, 6185130, 6273489, 6597472, 7068720, 8246840, 8364652, 9424960, 9896208, 10455815, 11309952, 12370260, 12546978, 13194944, 14137440, 14638141, 16493680, 16729304, 18849920, 19792416, 20911630, 24740520, 25093956, 26389888, 28274880, 29276282, 31367445, 32987360, 33458608, 39584832, 41823260, 43914423, 49481040, 50187912, 56549760, 58552564, 62734890, 65974720, 66917216, 73190705, 79169664, 83646520, 87828846, 98962080, 100375824, 117105128, 125469780, 131949440, 133834432, 146381410, 167293040, 175657692, 197924160, 200751648, 219572115, 234210256, 250939560, 267668864, 292762820, 334586080, 351315384, 395848320, 401503296, 439144230, 468420512, 501879120, 585525640, 669172160, 702630768, 803006592, 878288460, 936841024, 1003758240, 1171051280, 1338344320, 1405261536, 1756576920, 1873682048, 2007516480, 2342102560, 2810523072, 3513153840, 4015032960, 4684205120, 5621046144, 7026307680, 9368410240, 14052615360, 28105230720]

約数ペア:

[(1, 28105230720), (2, 14052615360), (3, 9368410240), (4, 7026307680), (5, 5621046144), (6, 4684205120), (7, 4015032960), (8, 3513153840), (10, 2810523072), (12, 2342102560), (14, 2007516480), (15, 1873682048), (16, 1756576920), (20, 1405261536), (21, 1338344320), (24, 1171051280), (28, 1003758240), (30, 936841024), (32, 878288460), (35, 803006592), (40, 702630768), (42, 669172160), (48, 585525640), (56, 501879120), (60, 468420512), (64, 439144230), (70, 401503296), (71, 395848320), (80, 351315384), (84, 334586080), (96, 292762820), (105, 267668864), (112, 250939560), (120, 234210256), (128, 219572115), (140, 200751648), (142, 197924160), (160, 175657692), (168, 167293040), (192, 146381410), (210, 133834432), (213, 131949440), (224, 125469780), (240, 117105128), (280, 100375824), (284, 98962080), (320, 87828846), (336, 83646520), (355, 79169664), (384, 73190705), (420, 66917216), (426, 65974720), (448, 62734890), (480, 58552564), (497, 56549760), (560, 50187912), (568, 49481040), (640, 43914423), (672, 41823260), (710, 39584832), (840, 33458608), (852, 32987360), (896, 31367445), (960, 29276282), (994, 28274880), (1065, 26389888), (1120, 25093956), (1136, 24740520), (1344, 20911630), (1420, 19792416), (1491, 18849920), (1680, 16729304), (1704, 16493680), (1920, 14638141), (1988, 14137440), (2130, 13194944), (2240, 12546978), (2272, 12370260), (2485, 11309952), (2688, 10455815), (2840, 9896208), (2982, 9424960), (3360, 8364652), (3408, 8246840), (3976, 7068720), (4260, 6597472), (4480, 6273489), (4544, 6185130), (4970, 5654976), (5680, 4948104), (5964, 4712480), (6720, 4182326), (6816, 4123420), (7455, 3769984), (7952, 3534360), (8520, 3298736), (9088, 3092565), (9940, 2827488), (11360, 2474052), (11928, 2356240), (13440, 2091163), (13632, 2061710), (14910, 1884992), (15904, 1767180), (17040, 1649368), (19880, 1413744), (22720, 1237026), (23856, 1178120), (27264, 1030855), (29453, 954240), (29820, 942496), (31808, 883590), (34080, 824684), (39760, 706872), (45440, 618513), (47712, 589060), (58906, 477120), (59640, 471248), (63616, 441795), (68160, 412342), (79520, 353436), (88359, 318080), (95424, 294530), (117812, 238560), (119280, 235624), (136320, 206171), (147265, 190848), (159040, 176718)]