1219768960

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:538

約数の個数: 128

約数和(自身を含む): 3015936000

約数和(自身を除く): 1796167040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 127, 128, 160, 172, 215, 254, 320, 344, 349, 430, 508, 635, 640, 688, 698, 860, 1016, 1270, 1376, 1396, 1720, 1745, 2032, 2540, 2752, 2792, 3440, 3490, 4064, 5080, 5461, 5504, 5584, 6880, 6980, 8128, 10160, 10922, 11168, 13760, 13960, 15007, 16256, 20320, 21844, 22336, 27305, 27520, 27920, 30014, 40640, 43688, 44323, 44672, 54610, 55840, 60028, 75035, 81280, 87376, 88646, 109220, 111680, 120056, 150070, 174752, 177292, 218440, 221615, 223360, 240112, 300140, 349504, 354584, 436880, 443230, 480224, 600280, 699008, 709168, 873760, 886460, 960448, 1200560, 1418336, 1747520, 1772920, 1905889, 1920896, 2401120, 2836672, 3495040, 3545840, 3811778, 4802240, 5673344, 7091680, 7623556, 9529445, 9604480, 14183360, 15247112, 19058890, 28366720, 30494224, 38117780, 60988448, 76235560, 121976896, 152471120, 243953792, 304942240, 609884480, 1219768960]

約数ペア:

[(1, 1219768960), (2, 609884480), (4, 304942240), (5, 243953792), (8, 152471120), (10, 121976896), (16, 76235560), (20, 60988448), (32, 38117780), (40, 30494224), (43, 28366720), (64, 19058890), (80, 15247112), (86, 14183360), (127, 9604480), (128, 9529445), (160, 7623556), (172, 7091680), (215, 5673344), (254, 4802240), (320, 3811778), (344, 3545840), (349, 3495040), (430, 2836672), (508, 2401120), (635, 1920896), (640, 1905889), (688, 1772920), (698, 1747520), (860, 1418336), (1016, 1200560), (1270, 960448), (1376, 886460), (1396, 873760), (1720, 709168), (1745, 699008), (2032, 600280), (2540, 480224), (2752, 443230), (2792, 436880), (3440, 354584), (3490, 349504), (4064, 300140), (5080, 240112), (5461, 223360), (5504, 221615), (5584, 218440), (6880, 177292), (6980, 174752), (8128, 150070), (10160, 120056), (10922, 111680), (11168, 109220), (13760, 88646), (13960, 87376), (15007, 81280), (16256, 75035), (20320, 60028), (21844, 55840), (22336, 54610), (27305, 44672), (27520, 44323), (27920, 43688), (30014, 40640)]