21305013120

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{64891}}^1$

素因数の和:64938

約数の個数: 256

約数和(自身を含む): 79427808000

約数和(自身を除く): 58122794880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2432, 2565, 2736, 2880, 3040, 3420, 3456, 3648, 4104, 4320, 4560, 5130, 5472, 5760, 6080, 6840, 7296, 8208, 8640, 9120, 10260, 10944, 12160, 13680, 16416, 17280, 18240, 20520, 21888, 27360, 32832, 36480, 41040, 54720, 64891, 65664, 82080, 109440, 129782, 164160, 194673, 259564, 324455, 328320, 389346, 519128, 584019, 648910, 778692, 973365, 1038256, 1168038, 1232929, 1297820, 1557384, 1752057, 1946730, 2076512, 2336076, 2465858, 2595640, 2920095, 3114768, 3504114, 3698787, 3893460, 4153024, 4672152, 4931716, 5191280, 5840190, 6164645, 6229536, 7008228, 7397574, 7786920, 8306048, 8760285, 9344304, 9863432, 10382560, 11096361, 11680380, 12329290, 12459072, 14016456, 14795148, 15573840, 17520570, 18493935, 18688608, 19726864, 20765120, 22192722, 23360760, 24658580, 24918144, 28032912, 29590296, 31147680, 33289083, 35041140, 36987870, 37377216, 39453728, 41530240, 44385444, 46721520, 49317160, 55481805, 56065824, 59180592, 62295360, 66578166, 70082280, 73975740, 74754432, 78907456, 88770888, 93443040, 98634320, 110963610, 112131648, 118361184, 124590720, 133156332, 140164560, 147951480, 157814912, 166445415, 177541776, 186886080, 197268640, 221927220, 224263296, 236722368, 266312664, 280329120, 295902960, 332890830, 355083552, 373772160, 394537280, 443854440, 473444736, 532625328, 560658240, 591805920, 665781660, 710167104, 789074560, 887708880, 1065250656, 1121316480, 1183611840, 1331563320, 1420334208, 1775417760, 2130501312, 2367223680, 2663126640, 3550835520, 4261002624, 5326253280, 7101671040, 10652506560, 21305013120]

約数ペア:

[(1, 21305013120), (2, 10652506560), (3, 7101671040), (4, 5326253280), (5, 4261002624), (6, 3550835520), (8, 2663126640), (9, 2367223680), (10, 2130501312), (12, 1775417760), (15, 1420334208), (16, 1331563320), (18, 1183611840), (19, 1121316480), (20, 1065250656), (24, 887708880), (27, 789074560), (30, 710167104), (32, 665781660), (36, 591805920), (38, 560658240), (40, 532625328), (45, 473444736), (48, 443854440), (54, 394537280), (57, 373772160), (60, 355083552), (64, 332890830), (72, 295902960), (76, 280329120), (80, 266312664), (90, 236722368), (95, 224263296), (96, 221927220), (108, 197268640), (114, 186886080), (120, 177541776), (128, 166445415), (135, 157814912), (144, 147951480), (152, 140164560), (160, 133156332), (171, 124590720), (180, 118361184), (190, 112131648), (192, 110963610), (216, 98634320), (228, 93443040), (240, 88770888), (270, 78907456), (285, 74754432), (288, 73975740), (304, 70082280), (320, 66578166), (342, 62295360), (360, 59180592), (380, 56065824), (384, 55481805), (432, 49317160), (456, 46721520), (480, 44385444), (513, 41530240), (540, 39453728), (570, 37377216), (576, 36987870), (608, 35041140), (640, 33289083), (684, 31147680), (720, 29590296), (760, 28032912), (855, 24918144), (864, 24658580), (912, 23360760), (960, 22192722), (1026, 20765120), (1080, 19726864), (1140, 18688608), (1152, 18493935), (1216, 17520570), (1368, 15573840), (1440, 14795148), (1520, 14016456), (1710, 12459072), (1728, 12329290), (1824, 11680380), (1920, 11096361), (2052, 10382560), (2160, 9863432), (2280, 9344304), (2432, 8760285), (2565, 8306048), (2736, 7786920), (2880, 7397574), (3040, 7008228), (3420, 6229536), (3456, 6164645), (3648, 5840190), (4104, 5191280), (4320, 4931716), (4560, 4672152), (5130, 4153024), (5472, 3893460), (5760, 3698787), (6080, 3504114), (6840, 3114768), (7296, 2920095), (8208, 2595640), (8640, 2465858), (9120, 2336076), (10260, 2076512), (10944, 1946730), (12160, 1752057), (13680, 1557384), (16416, 1297820), (17280, 1232929), (18240, 1168038), (20520, 1038256), (21888, 973365), (27360, 778692), (32832, 648910), (36480, 584019), (41040, 519128), (54720, 389346), (64891, 328320), (65664, 324455), (82080, 259564), (109440, 194673), (129782, 164160)]