681120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:75

約数の個数: 144

約数和(自身を含む): 2594592

約数和(自身を除く): 1913472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 43, 44, 45, 48, 55, 60, 66, 72, 80, 86, 88, 90, 96, 99, 110, 120, 129, 132, 144, 160, 165, 172, 176, 180, 198, 215, 220, 240, 258, 264, 288, 330, 344, 352, 360, 387, 396, 430, 440, 473, 480, 495, 516, 528, 645, 660, 688, 720, 774, 792, 860, 880, 946, 990, 1032, 1056, 1290, 1320, 1376, 1419, 1440, 1548, 1584, 1720, 1760, 1892, 1935, 1980, 2064, 2365, 2580, 2640, 2838, 3096, 3168, 3440, 3784, 3870, 3960, 4128, 4257, 4730, 5160, 5280, 5676, 6192, 6880, 7095, 7568, 7740, 7920, 8514, 9460, 10320, 11352, 12384, 14190, 15136, 15480, 15840, 17028, 18920, 20640, 21285, 22704, 28380, 30960, 34056, 37840, 42570, 45408, 56760, 61920, 68112, 75680, 85140, 113520, 136224, 170280, 227040, 340560, 681120]

約数ペア:

[(1, 681120), (2, 340560), (3, 227040), (4, 170280), (5, 136224), (6, 113520), (8, 85140), (9, 75680), (10, 68112), (11, 61920), (12, 56760), (15, 45408), (16, 42570), (18, 37840), (20, 34056), (22, 30960), (24, 28380), (30, 22704), (32, 21285), (33, 20640), (36, 18920), (40, 17028), (43, 15840), (44, 15480), (45, 15136), (48, 14190), (55, 12384), (60, 11352), (66, 10320), (72, 9460), (80, 8514), (86, 7920), (88, 7740), (90, 7568), (96, 7095), (99, 6880), (110, 6192), (120, 5676), (129, 5280), (132, 5160), (144, 4730), (160, 4257), (165, 4128), (172, 3960), (176, 3870), (180, 3784), (198, 3440), (215, 3168), (220, 3096), (240, 2838), (258, 2640), (264, 2580), (288, 2365), (330, 2064), (344, 1980), (352, 1935), (360, 1892), (387, 1760), (396, 1720), (430, 1584), (440, 1548), (473, 1440), (480, 1419), (495, 1376), (516, 1320), (528, 1290), (645, 1056), (660, 1032), (688, 990), (720, 946), (774, 880), (792, 860)]