20390940480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{127189}}^1$

素因数の和:127376

約数の個数: 112

約数和(自身を含む): 65129420160

約数和(自身を除く): 44738479680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 167, 192, 240, 320, 334, 480, 501, 668, 835, 960, 1002, 1336, 1670, 2004, 2505, 2672, 3340, 4008, 5010, 5344, 6680, 8016, 10020, 10688, 13360, 16032, 20040, 26720, 32064, 40080, 53440, 80160, 127189, 160320, 254378, 381567, 508756, 635945, 763134, 1017512, 1271890, 1526268, 1907835, 2035024, 2543780, 3052536, 3815670, 4070048, 5087560, 6105072, 7631340, 8140096, 10175120, 12210144, 15262680, 20350240, 21240563, 24420288, 30525360, 40700480, 42481126, 61050720, 63721689, 84962252, 106202815, 122101440, 127443378, 169924504, 212405630, 254886756, 318608445, 339849008, 424811260, 509773512, 637216890, 679698016, 849622520, 1019547024, 1274433780, 1359396032, 1699245040, 2039094048, 2548867560, 3398490080, 4078188096, 5097735120, 6796980160, 10195470240, 20390940480]

約数ペア:

[(1, 20390940480), (2, 10195470240), (3, 6796980160), (4, 5097735120), (5, 4078188096), (6, 3398490080), (8, 2548867560), (10, 2039094048), (12, 1699245040), (15, 1359396032), (16, 1274433780), (20, 1019547024), (24, 849622520), (30, 679698016), (32, 637216890), (40, 509773512), (48, 424811260), (60, 339849008), (64, 318608445), (80, 254886756), (96, 212405630), (120, 169924504), (160, 127443378), (167, 122101440), (192, 106202815), (240, 84962252), (320, 63721689), (334, 61050720), (480, 42481126), (501, 40700480), (668, 30525360), (835, 24420288), (960, 21240563), (1002, 20350240), (1336, 15262680), (1670, 12210144), (2004, 10175120), (2505, 8140096), (2672, 7631340), (3340, 6105072), (4008, 5087560), (5010, 4070048), (5344, 3815670), (6680, 3052536), (8016, 2543780), (10020, 2035024), (10688, 1907835), (13360, 1526268), (16032, 1271890), (20040, 1017512), (26720, 763134), (32064, 635945), (40080, 508756), (53440, 381567), (80160, 254378), (127189, 160320)]