221355840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7951}}^1$

素因数の和:8000

約数の個数: 112

約数和(自身を含む): 727130880

約数和(自身を除く): 505775040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 870, 928, 960, 1160, 1392, 1740, 1856, 2320, 2784, 3480, 4640, 5568, 6960, 7951, 9280, 13920, 15902, 23853, 27840, 31804, 39755, 47706, 63608, 79510, 95412, 119265, 127216, 159020, 190824, 230579, 238530, 254432, 318040, 381648, 461158, 477060, 508864, 636080, 691737, 763296, 922316, 954120, 1152895, 1272160, 1383474, 1526592, 1844632, 1908240, 2305790, 2544320, 2766948, 3458685, 3689264, 3816480, 4611580, 5533896, 6917370, 7378528, 7632960, 9223160, 11067792, 13834740, 14757056, 18446320, 22135584, 27669480, 36892640, 44271168, 55338960, 73785280, 110677920, 221355840]

約数ペア:

[(1, 221355840), (2, 110677920), (3, 73785280), (4, 55338960), (5, 44271168), (6, 36892640), (8, 27669480), (10, 22135584), (12, 18446320), (15, 14757056), (16, 13834740), (20, 11067792), (24, 9223160), (29, 7632960), (30, 7378528), (32, 6917370), (40, 5533896), (48, 4611580), (58, 3816480), (60, 3689264), (64, 3458685), (80, 2766948), (87, 2544320), (96, 2305790), (116, 1908240), (120, 1844632), (145, 1526592), (160, 1383474), (174, 1272160), (192, 1152895), (232, 954120), (240, 922316), (290, 763296), (320, 691737), (348, 636080), (435, 508864), (464, 477060), (480, 461158), (580, 381648), (696, 318040), (870, 254432), (928, 238530), (960, 230579), (1160, 190824), (1392, 159020), (1740, 127216), (1856, 119265), (2320, 95412), (2784, 79510), (3480, 63608), (4640, 47706), (5568, 39755), (6960, 31804), (7951, 27840), (9280, 23853), (13920, 15902)]