20302470720

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{335689}}^1$

素因数の和:335722

約数の個数: 224

約数和(自身を含む): 81854649600

約数和(自身を除く): 61552178880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 12096, 15120, 20160, 30240, 60480, 335689, 671378, 1007067, 1342756, 1678445, 2014134, 2349823, 2685512, 3021201, 3356890, 4028268, 4699646, 5035335, 5371024, 6042402, 6713780, 7049469, 8056536, 9063603, 9399292, 10070670, 10742048, 11749115, 12084804, 13427560, 14098938, 15106005, 16113072, 18127206, 18798584, 20141340, 21148407, 21484096, 23498230, 24169608, 26855120, 28197876, 30212010, 32226144, 35247345, 36254412, 37597168, 40282680, 42296814, 45318015, 46996460, 48339216, 53710240, 56395752, 60424020, 63445221, 64452288, 70494690, 72508824, 75194336, 80565360, 84593628, 90636030, 93992920, 96678432, 105742035, 107420480, 112791504, 120848040, 126890442, 140989380, 145017648, 150388672, 161130720, 169187256, 181272060, 187985840, 193356864, 211484070, 225583008, 241696080, 253780884, 281978760, 290035296, 317226105, 322261440, 338374512, 362544120, 375971680, 422968140, 451166016, 483392160, 507561768, 563957520, 580070592, 634452210, 676749024, 725088240, 751943360, 845936280, 966784320, 1015123536, 1127915040, 1268904420, 1353498048, 1450176480, 1691872560, 2030247072, 2255830080, 2537808840, 2900352960, 3383745120, 4060494144, 5075617680, 6767490240, 10151235360, 20302470720]

約数ペア:

[(1, 20302470720), (2, 10151235360), (3, 6767490240), (4, 5075617680), (5, 4060494144), (6, 3383745120), (7, 2900352960), (8, 2537808840), (9, 2255830080), (10, 2030247072), (12, 1691872560), (14, 1450176480), (15, 1353498048), (16, 1268904420), (18, 1127915040), (20, 1015123536), (21, 966784320), (24, 845936280), (27, 751943360), (28, 725088240), (30, 676749024), (32, 634452210), (35, 580070592), (36, 563957520), (40, 507561768), (42, 483392160), (45, 451166016), (48, 422968140), (54, 375971680), (56, 362544120), (60, 338374512), (63, 322261440), (64, 317226105), (70, 290035296), (72, 281978760), (80, 253780884), (84, 241696080), (90, 225583008), (96, 211484070), (105, 193356864), (108, 187985840), (112, 181272060), (120, 169187256), (126, 161130720), (135, 150388672), (140, 145017648), (144, 140989380), (160, 126890442), (168, 120848040), (180, 112791504), (189, 107420480), (192, 105742035), (210, 96678432), (216, 93992920), (224, 90636030), (240, 84593628), (252, 80565360), (270, 75194336), (280, 72508824), (288, 70494690), (315, 64452288), (320, 63445221), (336, 60424020), (360, 56395752), (378, 53710240), (420, 48339216), (432, 46996460), (448, 45318015), (480, 42296814), (504, 40282680), (540, 37597168), (560, 36254412), (576, 35247345), (630, 32226144), (672, 30212010), (720, 28197876), (756, 26855120), (840, 24169608), (864, 23498230), (945, 21484096), (960, 21148407), (1008, 20141340), (1080, 18798584), (1120, 18127206), (1260, 16113072), (1344, 15106005), (1440, 14098938), (1512, 13427560), (1680, 12084804), (1728, 11749115), (1890, 10742048), (2016, 10070670), (2160, 9399292), (2240, 9063603), (2520, 8056536), (2880, 7049469), (3024, 6713780), (3360, 6042402), (3780, 5371024), (4032, 5035335), (4320, 4699646), (5040, 4028268), (6048, 3356890), (6720, 3021201), (7560, 2685512), (8640, 2349823), (10080, 2014134), (12096, 1678445), (15120, 1342756), (20160, 1007067), (30240, 671378), (60480, 335689)]