19825547520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109849}}^1$

素因数の和:109920

約数の個数: 144

約数和(自身を含む): 64665619200

約数和(自身を除く): 44840071680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 188, 192, 235, 240, 256, 282, 320, 376, 384, 470, 480, 564, 640, 705, 752, 768, 940, 960, 1128, 1280, 1410, 1504, 1880, 1920, 2256, 2820, 3008, 3760, 3840, 4512, 5640, 6016, 7520, 9024, 11280, 12032, 15040, 18048, 22560, 30080, 36096, 45120, 60160, 90240, 109849, 180480, 219698, 329547, 439396, 549245, 659094, 878792, 1098490, 1318188, 1647735, 1757584, 2196980, 2636376, 3295470, 3515168, 4393960, 5162903, 5272752, 6590940, 7030336, 8787920, 10325806, 10545504, 13181880, 14060672, 15488709, 17575840, 20651612, 21091008, 25814515, 26363760, 28121344, 30977418, 35151680, 41303224, 42182016, 51629030, 52727520, 61954836, 70303360, 77443545, 82606448, 84364032, 103258060, 105455040, 123909672, 140606720, 154887090, 165212896, 206516120, 210910080, 247819344, 309774180, 330425792, 413032240, 421820160, 495638688, 619548360, 660851584, 826064480, 991277376, 1239096720, 1321703168, 1652128960, 1982554752, 2478193440, 3304257920, 3965109504, 4956386880, 6608515840, 9912773760, 19825547520]

約数ペア:

[(1, 19825547520), (2, 9912773760), (3, 6608515840), (4, 4956386880), (5, 3965109504), (6, 3304257920), (8, 2478193440), (10, 1982554752), (12, 1652128960), (15, 1321703168), (16, 1239096720), (20, 991277376), (24, 826064480), (30, 660851584), (32, 619548360), (40, 495638688), (47, 421820160), (48, 413032240), (60, 330425792), (64, 309774180), (80, 247819344), (94, 210910080), (96, 206516120), (120, 165212896), (128, 154887090), (141, 140606720), (160, 123909672), (188, 105455040), (192, 103258060), (235, 84364032), (240, 82606448), (256, 77443545), (282, 70303360), (320, 61954836), (376, 52727520), (384, 51629030), (470, 42182016), (480, 41303224), (564, 35151680), (640, 30977418), (705, 28121344), (752, 26363760), (768, 25814515), (940, 21091008), (960, 20651612), (1128, 17575840), (1280, 15488709), (1410, 14060672), (1504, 13181880), (1880, 10545504), (1920, 10325806), (2256, 8787920), (2820, 7030336), (3008, 6590940), (3760, 5272752), (3840, 5162903), (4512, 4393960), (5640, 3515168), (6016, 3295470), (7520, 2636376), (9024, 2196980), (11280, 1757584), (12032, 1647735), (15040, 1318188), (18048, 1098490), (22560, 878792), (30080, 659094), (36096, 549245), (45120, 439396), (60160, 329547), (90240, 219698), (109849, 180480)]