20319610080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{78539}}^1$

素因数の和:78582

約数の個数: 288

約数和(自身を含む): 81226696320

約数和(自身を除く): 60907086240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 98, 105, 110, 112, 120, 132, 140, 147, 154, 160, 165, 168, 176, 196, 210, 220, 224, 231, 240, 245, 264, 280, 294, 308, 330, 336, 352, 385, 392, 420, 440, 462, 480, 490, 528, 539, 560, 588, 616, 660, 672, 735, 770, 784, 840, 880, 924, 980, 1056, 1078, 1120, 1155, 1176, 1232, 1320, 1470, 1540, 1568, 1617, 1680, 1760, 1848, 1960, 2156, 2310, 2352, 2464, 2640, 2695, 2940, 3080, 3234, 3360, 3696, 3920, 4312, 4620, 4704, 5280, 5390, 5880, 6160, 6468, 7392, 7840, 8085, 8624, 9240, 10780, 11760, 12320, 12936, 16170, 17248, 18480, 21560, 23520, 25872, 32340, 36960, 43120, 51744, 64680, 78539, 86240, 129360, 157078, 235617, 258720, 314156, 392695, 471234, 549773, 628312, 785390, 863929, 942468, 1099546, 1178085, 1256624, 1570780, 1649319, 1727858, 1884936, 2199092, 2356170, 2513248, 2591787, 2748865, 3141560, 3298638, 3455716, 3769872, 3848411, 4319645, 4398184, 4712340, 5183574, 5497730, 6047503, 6283120, 6597276, 6911432, 7539744, 7696822, 8246595, 8639290, 8796368, 9424680, 10367148, 10995460, 11545233, 12095006, 12566240, 12958935, 13194552, 13822864, 15393644, 16493190, 17278580, 17592736, 18142509, 18849360, 19242055, 20734296, 21990920, 23090466, 24190012, 25917870, 26389104, 27645728, 30237515, 30787288, 32986380, 34557160, 36285018, 37698720, 38484110, 41468592, 42332521, 43981840, 46180932, 48380024, 51835740, 52778208, 57726165, 60475030, 61574576, 65972760, 69114320, 72570036, 76968220, 82937184, 84665042, 87963680, 90712545, 92361864, 96760048, 103671480, 115452330, 120950060, 123149152, 126997563, 131945520, 138228640, 145140072, 153936440, 169330084, 181425090, 184723728, 193520096, 207342960, 211662605, 230904660, 241900120, 253995126, 263891040, 290280144, 307872880, 338660168, 362850180, 369447456, 414685920, 423325210, 461809320, 483800240, 507990252, 580560288, 615745760, 634987815, 677320336, 725700360, 846650420, 923618640, 967600480, 1015980504, 1269975630, 1354640672, 1451400720, 1693300840, 1847237280, 2031961008, 2539951260, 2902801440, 3386601680, 4063922016, 5079902520, 6773203360, 10159805040, 20319610080]

約数ペア:

[(1, 20319610080), (2, 10159805040), (3, 6773203360), (4, 5079902520), (5, 4063922016), (6, 3386601680), (7, 2902801440), (8, 2539951260), (10, 2031961008), (11, 1847237280), (12, 1693300840), (14, 1451400720), (15, 1354640672), (16, 1269975630), (20, 1015980504), (21, 967600480), (22, 923618640), (24, 846650420), (28, 725700360), (30, 677320336), (32, 634987815), (33, 615745760), (35, 580560288), (40, 507990252), (42, 483800240), (44, 461809320), (48, 423325210), (49, 414685920), (55, 369447456), (56, 362850180), (60, 338660168), (66, 307872880), (70, 290280144), (77, 263891040), (80, 253995126), (84, 241900120), (88, 230904660), (96, 211662605), (98, 207342960), (105, 193520096), (110, 184723728), (112, 181425090), (120, 169330084), (132, 153936440), (140, 145140072), (147, 138228640), (154, 131945520), (160, 126997563), (165, 123149152), (168, 120950060), (176, 115452330), (196, 103671480), (210, 96760048), (220, 92361864), (224, 90712545), (231, 87963680), (240, 84665042), (245, 82937184), (264, 76968220), (280, 72570036), (294, 69114320), (308, 65972760), (330, 61574576), (336, 60475030), (352, 57726165), (385, 52778208), (392, 51835740), (420, 48380024), (440, 46180932), (462, 43981840), (480, 42332521), (490, 41468592), (528, 38484110), (539, 37698720), (560, 36285018), (588, 34557160), (616, 32986380), (660, 30787288), (672, 30237515), (735, 27645728), (770, 26389104), (784, 25917870), (840, 24190012), (880, 23090466), (924, 21990920), (980, 20734296), (1056, 19242055), (1078, 18849360), (1120, 18142509), (1155, 17592736), (1176, 17278580), (1232, 16493190), (1320, 15393644), (1470, 13822864), (1540, 13194552), (1568, 12958935), (1617, 12566240), (1680, 12095006), (1760, 11545233), (1848, 10995460), (1960, 10367148), (2156, 9424680), (2310, 8796368), (2352, 8639290), (2464, 8246595), (2640, 7696822), (2695, 7539744), (2940, 6911432), (3080, 6597276), (3234, 6283120), (3360, 6047503), (3696, 5497730), (3920, 5183574), (4312, 4712340), (4620, 4398184), (4704, 4319645), (5280, 3848411), (5390, 3769872), (5880, 3455716), (6160, 3298638), (6468, 3141560), (7392, 2748865), (7840, 2591787), (8085, 2513248), (8624, 2356170), (9240, 2199092), (10780, 1884936), (11760, 1727858), (12320, 1649319), (12936, 1570780), (16170, 1256624), (17248, 1178085), (18480, 1099546), (21560, 942468), (23520, 863929), (25872, 785390), (32340, 628312), (36960, 549773), (43120, 471234), (51744, 392695), (64680, 314156), (78539, 258720), (86240, 235617), (129360, 157078)]