6720840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{127}}^1$

素因数の和:161

約数の個数: 192

約数和(自身を含む): 26265600

約数和(自身を除く): 19544760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 127, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 254, 270, 280, 294, 315, 360, 378, 381, 392, 420, 441, 490, 504, 508, 540, 588, 630, 635, 735, 756, 762, 840, 882, 889, 945, 980, 1016, 1080, 1143, 1176, 1260, 1270, 1323, 1470, 1512, 1524, 1764, 1778, 1890, 1905, 1960, 2205, 2286, 2520, 2540, 2646, 2667, 2940, 3048, 3429, 3528, 3556, 3780, 3810, 4410, 4445, 4572, 5080, 5292, 5334, 5715, 5880, 6223, 6615, 6858, 7112, 7560, 7620, 8001, 8820, 8890, 9144, 10584, 10668, 11430, 12446, 13230, 13335, 13716, 15240, 16002, 17145, 17640, 17780, 18669, 21336, 22860, 24003, 24892, 26460, 26670, 27432, 31115, 32004, 34290, 35560, 37338, 40005, 45720, 48006, 49784, 52920, 53340, 56007, 62230, 64008, 68580, 74676, 80010, 93345, 96012, 106680, 112014, 120015, 124460, 137160, 149352, 160020, 168021, 186690, 192024, 224028, 240030, 248920, 280035, 320040, 336042, 373380, 448056, 480060, 560070, 672084, 746760, 840105, 960120, 1120140, 1344168, 1680210, 2240280, 3360420, 6720840]

約数ペア:

[(1, 6720840), (2, 3360420), (3, 2240280), (4, 1680210), (5, 1344168), (6, 1120140), (7, 960120), (8, 840105), (9, 746760), (10, 672084), (12, 560070), (14, 480060), (15, 448056), (18, 373380), (20, 336042), (21, 320040), (24, 280035), (27, 248920), (28, 240030), (30, 224028), (35, 192024), (36, 186690), (40, 168021), (42, 160020), (45, 149352), (49, 137160), (54, 124460), (56, 120015), (60, 112014), (63, 106680), (70, 96012), (72, 93345), (84, 80010), (90, 74676), (98, 68580), (105, 64008), (108, 62230), (120, 56007), (126, 53340), (127, 52920), (135, 49784), (140, 48006), (147, 45720), (168, 40005), (180, 37338), (189, 35560), (196, 34290), (210, 32004), (216, 31115), (245, 27432), (252, 26670), (254, 26460), (270, 24892), (280, 24003), (294, 22860), (315, 21336), (360, 18669), (378, 17780), (381, 17640), (392, 17145), (420, 16002), (441, 15240), (490, 13716), (504, 13335), (508, 13230), (540, 12446), (588, 11430), (630, 10668), (635, 10584), (735, 9144), (756, 8890), (762, 8820), (840, 8001), (882, 7620), (889, 7560), (945, 7112), (980, 6858), (1016, 6615), (1080, 6223), (1143, 5880), (1176, 5715), (1260, 5334), (1270, 5292), (1323, 5080), (1470, 4572), (1512, 4445), (1524, 4410), (1764, 3810), (1778, 3780), (1890, 3556), (1905, 3528), (1960, 3429), (2205, 3048), (2286, 2940), (2520, 2667), (2540, 2646)]