20219498880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2347}}^1$

素因数の和:3017

約数の個数: 256

約数和(自身を含む): 73803087360

約数和(自身を除く): 53583588480

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, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 641, 672, 840, 896, 960, 1120, 1282, 1344, 1680, 1920, 1923, 2240, 2347, 2564, 2688, 3205, 3360, 3846, 4480, 4487, 4694, 5128, 6410, 6720, 7041, 7692, 8974, 9388, 9615, 10256, 11735, 12820, 13440, 13461, 14082, 15384, 16429, 17948, 18776, 19230, 20512, 22435, 23470, 25640, 26922, 28164, 30768, 32858, 35205, 35896, 37552, 38460, 41024, 44870, 46940, 49287, 51280, 53844, 56328, 61536, 65716, 67305, 70410, 71792, 75104, 76920, 82048, 82145, 89740, 93880, 98574, 102560, 107688, 112656, 123072, 131432, 134610, 140820, 143584, 150208, 153840, 164290, 179480, 187760, 197148, 205120, 215376, 225312, 246144, 246435, 262864, 269220, 281640, 287168, 300416, 307680, 328580, 358960, 375520, 394296, 410240, 430752, 450624, 492870, 525728, 538440, 563280, 574336, 615360, 657160, 717920, 751040, 788592, 861504, 901248, 985740, 1051456, 1076880, 1126560, 1230720, 1314320, 1435840, 1502080, 1504427, 1577184, 1723008, 1971480, 2102912, 2153760, 2253120, 2628640, 2871680, 3008854, 3154368, 3942960, 4307520, 4506240, 4513281, 5257280, 6017708, 6308736, 7522135, 7885920, 8615040, 9026562, 10514560, 10530989, 12035416, 15044270, 15771840, 18053124, 21061978, 22566405, 24070832, 30088540, 31543680, 31592967, 36106248, 42123956, 45132810, 48141664, 52654945, 60177080, 63185934, 72212496, 84247912, 90265620, 96283328, 105309890, 120354160, 126371868, 144424992, 157964835, 168495824, 180531240, 192566656, 210619780, 240708320, 252743736, 288849984, 315929670, 336991648, 361062480, 421239560, 481416640, 505487472, 577699968, 631859340, 673983296, 722124960, 842479120, 962833280, 1010974944, 1263718680, 1347966592, 1444249920, 1684958240, 2021949888, 2527437360, 2888499840, 3369916480, 4043899776, 5054874720, 6739832960, 10109749440, 20219498880]

約数ペア:

[(1, 20219498880), (2, 10109749440), (3, 6739832960), (4, 5054874720), (5, 4043899776), (6, 3369916480), (7, 2888499840), (8, 2527437360), (10, 2021949888), (12, 1684958240), (14, 1444249920), (15, 1347966592), (16, 1263718680), (20, 1010974944), (21, 962833280), (24, 842479120), (28, 722124960), (30, 673983296), (32, 631859340), (35, 577699968), (40, 505487472), (42, 481416640), (48, 421239560), (56, 361062480), (60, 336991648), (64, 315929670), (70, 288849984), (80, 252743736), (84, 240708320), (96, 210619780), (105, 192566656), (112, 180531240), (120, 168495824), (128, 157964835), (140, 144424992), (160, 126371868), (168, 120354160), (192, 105309890), (210, 96283328), (224, 90265620), (240, 84247912), (280, 72212496), (320, 63185934), (336, 60177080), (384, 52654945), (420, 48141664), (448, 45132810), (480, 42123956), (560, 36106248), (640, 31592967), (641, 31543680), (672, 30088540), (840, 24070832), (896, 22566405), (960, 21061978), (1120, 18053124), (1282, 15771840), (1344, 15044270), (1680, 12035416), (1920, 10530989), (1923, 10514560), (2240, 9026562), (2347, 8615040), (2564, 7885920), (2688, 7522135), (3205, 6308736), (3360, 6017708), (3846, 5257280), (4480, 4513281), (4487, 4506240), (4694, 4307520), (5128, 3942960), (6410, 3154368), (6720, 3008854), (7041, 2871680), (7692, 2628640), (8974, 2253120), (9388, 2153760), (9615, 2102912), (10256, 1971480), (11735, 1723008), (12820, 1577184), (13440, 1504427), (13461, 1502080), (14082, 1435840), (15384, 1314320), (16429, 1230720), (17948, 1126560), (18776, 1076880), (19230, 1051456), (20512, 985740), (22435, 901248), (23470, 861504), (25640, 788592), (26922, 751040), (28164, 717920), (30768, 657160), (32858, 615360), (35205, 574336), (35896, 563280), (37552, 538440), (38460, 525728), (41024, 492870), (44870, 450624), (46940, 430752), (49287, 410240), (51280, 394296), (53844, 375520), (56328, 358960), (61536, 328580), (65716, 307680), (67305, 300416), (70410, 287168), (71792, 281640), (75104, 269220), (76920, 262864), (82048, 246435), (82145, 246144), (89740, 225312), (93880, 215376), (98574, 205120), (102560, 197148), (107688, 187760), (112656, 179480), (123072, 164290), (131432, 153840), (134610, 150208), (140820, 143584)]