251675760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{21401}}^1$

素因数の和:21431

約数の個数: 120

約数和(自身を含む): 907616016

約数和(自身を除く): 655940256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 21401, 42802, 64203, 85604, 107005, 128406, 149807, 171208, 214010, 256812, 299614, 321015, 342416, 428020, 449421, 513624, 599228, 642030, 749035, 856040, 898842, 1027248, 1048649, 1198456, 1284060, 1498070, 1712080, 1797684, 2097298, 2247105, 2396912, 2568120, 2996140, 3145947, 3595368, 4194596, 4494210, 5136240, 5243245, 5992280, 6291894, 7190736, 8389192, 8988420, 10486490, 11984560, 12583788, 15729735, 16778384, 17976840, 20972980, 25167576, 31459470, 35953680, 41945960, 50335152, 62918940, 83891920, 125837880, 251675760]

約数ペア:

[(1, 251675760), (2, 125837880), (3, 83891920), (4, 62918940), (5, 50335152), (6, 41945960), (7, 35953680), (8, 31459470), (10, 25167576), (12, 20972980), (14, 17976840), (15, 16778384), (16, 15729735), (20, 12583788), (21, 11984560), (24, 10486490), (28, 8988420), (30, 8389192), (35, 7190736), (40, 6291894), (42, 5992280), (48, 5243245), (49, 5136240), (56, 4494210), (60, 4194596), (70, 3595368), (80, 3145947), (84, 2996140), (98, 2568120), (105, 2396912), (112, 2247105), (120, 2097298), (140, 1797684), (147, 1712080), (168, 1498070), (196, 1284060), (210, 1198456), (240, 1048649), (245, 1027248), (280, 898842), (294, 856040), (336, 749035), (392, 642030), (420, 599228), (490, 513624), (560, 449421), (588, 428020), (735, 342416), (784, 321015), (840, 299614), (980, 256812), (1176, 214010), (1470, 171208), (1680, 149807), (1960, 128406), (2352, 107005), (2940, 85604), (3920, 64203), (5880, 42802), (11760, 21401)]