20109189120

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5279}}^1$

素因数の和:5344

約数の個数: 224

約数和(自身を含む): 66433720320

約数和(自身を除く): 46324531200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1024, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2048, 2480, 2560, 2976, 3072, 3720, 3840, 3968, 4096, 4960, 5120, 5279, 5952, 6144, 7440, 7680, 7936, 8192, 9920, 10240, 10558, 11904, 12288, 14880, 15360, 15837, 15872, 19840, 20480, 21116, 23808, 24576, 26395, 29760, 30720, 31674, 31744, 39680, 40960, 42232, 47616, 52790, 59520, 61440, 63348, 63488, 79185, 79360, 84464, 95232, 105580, 119040, 122880, 126696, 126976, 158370, 158720, 163649, 168928, 190464, 211160, 238080, 253392, 253952, 316740, 317440, 327298, 337856, 380928, 422320, 476160, 490947, 506784, 633480, 634880, 654596, 675712, 761856, 818245, 844640, 952320, 981894, 1013568, 1266960, 1269760, 1309192, 1351424, 1636490, 1689280, 1904640, 1963788, 2027136, 2454735, 2533920, 2618384, 2702848, 3272980, 3378560, 3809280, 3927576, 4054272, 4909470, 5067840, 5236768, 5405696, 6545960, 6757120, 7855152, 8108544, 9818940, 10135680, 10473536, 10811392, 13091920, 13514240, 15710304, 16217088, 19637880, 20271360, 20947072, 21622784, 26183840, 27028480, 31420608, 32434176, 39275760, 40542720, 41894144, 43245568, 52367680, 54056960, 62841216, 64868352, 78551520, 81085440, 83788288, 104735360, 108113920, 125682432, 129736704, 157103040, 162170880, 167576576, 209470720, 216227840, 251364864, 314206080, 324341760, 335153152, 418941440, 502729728, 628412160, 648683520, 670306304, 837882880, 1005459456, 1256824320, 1340612608, 1675765760, 2010918912, 2513648640, 3351531520, 4021837824, 5027297280, 6703063040, 10054594560, 20109189120]

約数ペア:

[(1, 20109189120), (2, 10054594560), (3, 6703063040), (4, 5027297280), (5, 4021837824), (6, 3351531520), (8, 2513648640), (10, 2010918912), (12, 1675765760), (15, 1340612608), (16, 1256824320), (20, 1005459456), (24, 837882880), (30, 670306304), (31, 648683520), (32, 628412160), (40, 502729728), (48, 418941440), (60, 335153152), (62, 324341760), (64, 314206080), (80, 251364864), (93, 216227840), (96, 209470720), (120, 167576576), (124, 162170880), (128, 157103040), (155, 129736704), (160, 125682432), (186, 108113920), (192, 104735360), (240, 83788288), (248, 81085440), (256, 78551520), (310, 64868352), (320, 62841216), (372, 54056960), (384, 52367680), (465, 43245568), (480, 41894144), (496, 40542720), (512, 39275760), (620, 32434176), (640, 31420608), (744, 27028480), (768, 26183840), (930, 21622784), (960, 20947072), (992, 20271360), (1024, 19637880), (1240, 16217088), (1280, 15710304), (1488, 13514240), (1536, 13091920), (1860, 10811392), (1920, 10473536), (1984, 10135680), (2048, 9818940), (2480, 8108544), (2560, 7855152), (2976, 6757120), (3072, 6545960), (3720, 5405696), (3840, 5236768), (3968, 5067840), (4096, 4909470), (4960, 4054272), (5120, 3927576), (5279, 3809280), (5952, 3378560), (6144, 3272980), (7440, 2702848), (7680, 2618384), (7936, 2533920), (8192, 2454735), (9920, 2027136), (10240, 1963788), (10558, 1904640), (11904, 1689280), (12288, 1636490), (14880, 1351424), (15360, 1309192), (15837, 1269760), (15872, 1266960), (19840, 1013568), (20480, 981894), (21116, 952320), (23808, 844640), (24576, 818245), (26395, 761856), (29760, 675712), (30720, 654596), (31674, 634880), (31744, 633480), (39680, 506784), (40960, 490947), (42232, 476160), (47616, 422320), (52790, 380928), (59520, 337856), (61440, 327298), (63348, 317440), (63488, 316740), (79185, 253952), (79360, 253392), (84464, 238080), (95232, 211160), (105580, 190464), (119040, 168928), (122880, 163649), (126696, 158720), (126976, 158370)]