81649920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1933}}^1$

素因数の和:1968

約数の個数: 144

約数和(自身を含む): 284622912

約数和(自身を除く): 202972992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 768, 880, 960, 1056, 1280, 1320, 1408, 1760, 1920, 1933, 2112, 2640, 2816, 3520, 3840, 3866, 4224, 5280, 5799, 7040, 7732, 8448, 9665, 10560, 11598, 14080, 15464, 19330, 21120, 21263, 23196, 28995, 30928, 38660, 42240, 42526, 46392, 57990, 61856, 63789, 77320, 85052, 92784, 106315, 115980, 123712, 127578, 154640, 170104, 185568, 212630, 231960, 247424, 255156, 309280, 318945, 340208, 371136, 425260, 463920, 494848, 510312, 618560, 637890, 680416, 742272, 850520, 927840, 1020624, 1237120, 1275780, 1360832, 1484544, 1701040, 1855680, 2041248, 2474240, 2551560, 2721664, 3402080, 3711360, 4082496, 5103120, 5443328, 6804160, 7422720, 8164992, 10206240, 13608320, 16329984, 20412480, 27216640, 40824960, 81649920]

約数ペア:

[(1, 81649920), (2, 40824960), (3, 27216640), (4, 20412480), (5, 16329984), (6, 13608320), (8, 10206240), (10, 8164992), (11, 7422720), (12, 6804160), (15, 5443328), (16, 5103120), (20, 4082496), (22, 3711360), (24, 3402080), (30, 2721664), (32, 2551560), (33, 2474240), (40, 2041248), (44, 1855680), (48, 1701040), (55, 1484544), (60, 1360832), (64, 1275780), (66, 1237120), (80, 1020624), (88, 927840), (96, 850520), (110, 742272), (120, 680416), (128, 637890), (132, 618560), (160, 510312), (165, 494848), (176, 463920), (192, 425260), (220, 371136), (240, 340208), (256, 318945), (264, 309280), (320, 255156), (330, 247424), (352, 231960), (384, 212630), (440, 185568), (480, 170104), (528, 154640), (640, 127578), (660, 123712), (704, 115980), (768, 106315), (880, 92784), (960, 85052), (1056, 77320), (1280, 63789), (1320, 61856), (1408, 57990), (1760, 46392), (1920, 42526), (1933, 42240), (2112, 38660), (2640, 30928), (2816, 28995), (3520, 23196), (3840, 21263), (3866, 21120), (4224, 19330), (5280, 15464), (5799, 14080), (7040, 11598), (7732, 10560), (8448, 9665)]