20212830720

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{911}}^1$

素因数の和:1053

約数の個数: 400

約数和(自身を含む): 73152782208

約数和(自身を除く): 52939951488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 107, 108, 120, 128, 135, 144, 160, 162, 180, 192, 214, 216, 240, 256, 270, 288, 320, 321, 324, 360, 384, 405, 428, 432, 480, 512, 535, 540, 576, 640, 642, 648, 720, 768, 810, 856, 864, 911, 960, 963, 1070, 1080, 1152, 1280, 1284, 1296, 1440, 1536, 1605, 1620, 1712, 1728, 1822, 1920, 1926, 2140, 2160, 2304, 2560, 2568, 2592, 2733, 2880, 2889, 3210, 3240, 3424, 3456, 3644, 3840, 3852, 4280, 4320, 4555, 4608, 4815, 5136, 5184, 5466, 5760, 5778, 6420, 6480, 6848, 6912, 7288, 7680, 7704, 8199, 8560, 8640, 8667, 9110, 9630, 10272, 10368, 10932, 11520, 11556, 12840, 12960, 13665, 13696, 13824, 14445, 14576, 15408, 16398, 17120, 17280, 17334, 18220, 19260, 20544, 20736, 21864, 23040, 23112, 24597, 25680, 25920, 27330, 27392, 28890, 29152, 30816, 32796, 34240, 34560, 34668, 36440, 38520, 40995, 41088, 41472, 43335, 43728, 46224, 49194, 51360, 51840, 54660, 54784, 57780, 58304, 61632, 65592, 68480, 69120, 69336, 72880, 73791, 77040, 81990, 82176, 86670, 87456, 92448, 97477, 98388, 102720, 103680, 109320, 115560, 116608, 122985, 123264, 131184, 136960, 138672, 145760, 147582, 154080, 163980, 164352, 173340, 174912, 184896, 194954, 196776, 205440, 207360, 218640, 231120, 233216, 245970, 246528, 262368, 273920, 277344, 291520, 292431, 295164, 308160, 327960, 346680, 349824, 368955, 369792, 389908, 393552, 410880, 437280, 462240, 466432, 487385, 491940, 493056, 524736, 554688, 583040, 584862, 590328, 616320, 655920, 693360, 699648, 737910, 739584, 779816, 787104, 821760, 874560, 877293, 924480, 974770, 983880, 1049472, 1109376, 1166080, 1169724, 1180656, 1232640, 1311840, 1386720, 1399296, 1462155, 1475820, 1479168, 1559632, 1574208, 1749120, 1754586, 1848960, 1949540, 1967760, 2098944, 2218752, 2332160, 2339448, 2361312, 2465280, 2623680, 2631879, 2773440, 2924310, 2951640, 3119264, 3148416, 3498240, 3509172, 3697920, 3899080, 3935520, 4197888, 4386465, 4437504, 4678896, 4722624, 5247360, 5263758, 5546880, 5848620, 5903280, 6238528, 6296832, 6996480, 7018344, 7395840, 7798160, 7871040, 7895637, 8772930, 9357792, 9445248, 10494720, 10527516, 11093760, 11697240, 11806560, 12477056, 12593664, 13159395, 14036688, 15596320, 15742080, 15791274, 17545860, 18715584, 18890496, 20989440, 21055032, 22187520, 23394480, 23613120, 24954112, 26318790, 28073376, 31192640, 31484160, 31582548, 35091720, 37431168, 37780992, 39478185, 42110064, 46788960, 47226240, 49908224, 52637580, 56146752, 62385280, 62968320, 63165096, 70183440, 74862336, 78956370, 84220128, 93577920, 94452480, 105275160, 112293504, 124770560, 126330192, 140366880, 149724672, 157912740, 168440256, 187155840, 188904960, 210550320, 224587008, 249541120, 252660384, 280733760, 315825480, 336880512, 374311680, 421100640, 449174016, 505320768, 561467520, 631650960, 673761024, 748623360, 842201280, 1010641536, 1122935040, 1263301920, 1347522048, 1684402560, 2021283072, 2245870080, 2526603840, 3368805120, 4042566144, 5053207680, 6737610240, 10106415360, 20212830720]

約数ペア:

[(1, 20212830720), (2, 10106415360), (3, 6737610240), (4, 5053207680), (5, 4042566144), (6, 3368805120), (8, 2526603840), (9, 2245870080), (10, 2021283072), (12, 1684402560), (15, 1347522048), (16, 1263301920), (18, 1122935040), (20, 1010641536), (24, 842201280), (27, 748623360), (30, 673761024), (32, 631650960), (36, 561467520), (40, 505320768), (45, 449174016), (48, 421100640), (54, 374311680), (60, 336880512), (64, 315825480), (72, 280733760), (80, 252660384), (81, 249541120), (90, 224587008), (96, 210550320), (107, 188904960), (108, 187155840), (120, 168440256), (128, 157912740), (135, 149724672), (144, 140366880), (160, 126330192), (162, 124770560), (180, 112293504), (192, 105275160), (214, 94452480), (216, 93577920), (240, 84220128), (256, 78956370), (270, 74862336), (288, 70183440), (320, 63165096), (321, 62968320), (324, 62385280), (360, 56146752), (384, 52637580), (405, 49908224), (428, 47226240), (432, 46788960), (480, 42110064), (512, 39478185), (535, 37780992), (540, 37431168), (576, 35091720), (640, 31582548), (642, 31484160), (648, 31192640), (720, 28073376), (768, 26318790), (810, 24954112), (856, 23613120), (864, 23394480), (911, 22187520), (960, 21055032), (963, 20989440), (1070, 18890496), (1080, 18715584), (1152, 17545860), (1280, 15791274), (1284, 15742080), (1296, 15596320), (1440, 14036688), (1536, 13159395), (1605, 12593664), (1620, 12477056), (1712, 11806560), (1728, 11697240), (1822, 11093760), (1920, 10527516), (1926, 10494720), (2140, 9445248), (2160, 9357792), (2304, 8772930), (2560, 7895637), (2568, 7871040), (2592, 7798160), (2733, 7395840), (2880, 7018344), (2889, 6996480), (3210, 6296832), (3240, 6238528), (3424, 5903280), (3456, 5848620), (3644, 5546880), (3840, 5263758), (3852, 5247360), (4280, 4722624), (4320, 4678896), (4555, 4437504), (4608, 4386465), (4815, 4197888), (5136, 3935520), (5184, 3899080), (5466, 3697920), (5760, 3509172), (5778, 3498240), (6420, 3148416), (6480, 3119264), (6848, 2951640), (6912, 2924310), (7288, 2773440), (7680, 2631879), (7704, 2623680), (8199, 2465280), (8560, 2361312), (8640, 2339448), (8667, 2332160), (9110, 2218752), (9630, 2098944), (10272, 1967760), (10368, 1949540), (10932, 1848960), (11520, 1754586), (11556, 1749120), (12840, 1574208), (12960, 1559632), (13665, 1479168), (13696, 1475820), (13824, 1462155), (14445, 1399296), (14576, 1386720), (15408, 1311840), (16398, 1232640), (17120, 1180656), (17280, 1169724), (17334, 1166080), (18220, 1109376), (19260, 1049472), (20544, 983880), (20736, 974770), (21864, 924480), (23040, 877293), (23112, 874560), (24597, 821760), (25680, 787104), (25920, 779816), (27330, 739584), (27392, 737910), (28890, 699648), (29152, 693360), (30816, 655920), (32796, 616320), (34240, 590328), (34560, 584862), (34668, 583040), (36440, 554688), (38520, 524736), (40995, 493056), (41088, 491940), (41472, 487385), (43335, 466432), (43728, 462240), (46224, 437280), (49194, 410880), (51360, 393552), (51840, 389908), (54660, 369792), (54784, 368955), (57780, 349824), (58304, 346680), (61632, 327960), (65592, 308160), (68480, 295164), (69120, 292431), (69336, 291520), (72880, 277344), (73791, 273920), (77040, 262368), (81990, 246528), (82176, 245970), (86670, 233216), (87456, 231120), (92448, 218640), (97477, 207360), (98388, 205440), (102720, 196776), (103680, 194954), (109320, 184896), (115560, 174912), (116608, 173340), (122985, 164352), (123264, 163980), (131184, 154080), (136960, 147582), (138672, 145760)]