68760720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{1949}}^1$

素因数の和:1982

約数の個数: 180

約数和(自身を含む): 268760700

約数和(自身を除く): 199999980

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1949, 1960, 2205, 2352, 2520, 2940, 3528, 3898, 3920, 4410, 5040, 5847, 5880, 7056, 7796, 8820, 9745, 11694, 11760, 13643, 15592, 17541, 17640, 19490, 23388, 27286, 29235, 31184, 35082, 35280, 38980, 40929, 46776, 54572, 58470, 68215, 70164, 77960, 81858, 87705, 93552, 95501, 109144, 116940, 122787, 136430, 140328, 155920, 163716, 175410, 191002, 204645, 218288, 233880, 245574, 272860, 280656, 286503, 327432, 350820, 382004, 409290, 467760, 477505, 491148, 545720, 573006, 613935, 654864, 701640, 764008, 818580, 859509, 955010, 982296, 1091440, 1146012, 1227870, 1403280, 1432515, 1528016, 1637160, 1719018, 1910020, 1964592, 2292024, 2455740, 2865030, 3274320, 3438036, 3820040, 4297545, 4584048, 4911480, 5730060, 6876072, 7640080, 8595090, 9822960, 11460120, 13752144, 17190180, 22920240, 34380360, 68760720]

約数ペア:

[(1, 68760720), (2, 34380360), (3, 22920240), (4, 17190180), (5, 13752144), (6, 11460120), (7, 9822960), (8, 8595090), (9, 7640080), (10, 6876072), (12, 5730060), (14, 4911480), (15, 4584048), (16, 4297545), (18, 3820040), (20, 3438036), (21, 3274320), (24, 2865030), (28, 2455740), (30, 2292024), (35, 1964592), (36, 1910020), (40, 1719018), (42, 1637160), (45, 1528016), (48, 1432515), (49, 1403280), (56, 1227870), (60, 1146012), (63, 1091440), (70, 982296), (72, 955010), (80, 859509), (84, 818580), (90, 764008), (98, 701640), (105, 654864), (112, 613935), (120, 573006), (126, 545720), (140, 491148), (144, 477505), (147, 467760), (168, 409290), (180, 382004), (196, 350820), (210, 327432), (240, 286503), (245, 280656), (252, 272860), (280, 245574), (294, 233880), (315, 218288), (336, 204645), (360, 191002), (392, 175410), (420, 163716), (441, 155920), (490, 140328), (504, 136430), (560, 122787), (588, 116940), (630, 109144), (720, 95501), (735, 93552), (784, 87705), (840, 81858), (882, 77960), (980, 70164), (1008, 68215), (1176, 58470), (1260, 54572), (1470, 46776), (1680, 40929), (1764, 38980), (1949, 35280), (1960, 35082), (2205, 31184), (2352, 29235), (2520, 27286), (2940, 23388), (3528, 19490), (3898, 17640), (3920, 17541), (4410, 15592), (5040, 13643), (5847, 11760), (5880, 11694), (7056, 9745), (7796, 8820)]