220381440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1979}}^1$

素因数の和:2032

約数の個数: 144

約数和(自身を含む): 728481600

約数和(自身を除く): 508100160

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, 128, 145, 160, 174, 192, 232, 240, 256, 290, 320, 348, 384, 435, 464, 480, 580, 640, 696, 768, 870, 928, 960, 1160, 1280, 1392, 1740, 1856, 1920, 1979, 2320, 2784, 3480, 3712, 3840, 3958, 4640, 5568, 5937, 6960, 7424, 7916, 9280, 9895, 11136, 11874, 13920, 15832, 18560, 19790, 22272, 23748, 27840, 29685, 31664, 37120, 39580, 47496, 55680, 57391, 59370, 63328, 79160, 94992, 111360, 114782, 118740, 126656, 158320, 172173, 189984, 229564, 237480, 253312, 286955, 316640, 344346, 379968, 459128, 474960, 506624, 573910, 633280, 688692, 759936, 860865, 918256, 949920, 1147820, 1266560, 1377384, 1519872, 1721730, 1836512, 1899840, 2295640, 2533120, 2754768, 3443460, 3673024, 3799680, 4591280, 5509536, 6886920, 7346048, 7599360, 9182560, 11019072, 13773840, 14692096, 18365120, 22038144, 27547680, 36730240, 44076288, 55095360, 73460480, 110190720, 220381440]

約数ペア:

[(1, 220381440), (2, 110190720), (3, 73460480), (4, 55095360), (5, 44076288), (6, 36730240), (8, 27547680), (10, 22038144), (12, 18365120), (15, 14692096), (16, 13773840), (20, 11019072), (24, 9182560), (29, 7599360), (30, 7346048), (32, 6886920), (40, 5509536), (48, 4591280), (58, 3799680), (60, 3673024), (64, 3443460), (80, 2754768), (87, 2533120), (96, 2295640), (116, 1899840), (120, 1836512), (128, 1721730), (145, 1519872), (160, 1377384), (174, 1266560), (192, 1147820), (232, 949920), (240, 918256), (256, 860865), (290, 759936), (320, 688692), (348, 633280), (384, 573910), (435, 506624), (464, 474960), (480, 459128), (580, 379968), (640, 344346), (696, 316640), (768, 286955), (870, 253312), (928, 237480), (960, 229564), (1160, 189984), (1280, 172173), (1392, 158320), (1740, 126656), (1856, 118740), (1920, 114782), (1979, 111360), (2320, 94992), (2784, 79160), (3480, 63328), (3712, 59370), (3840, 57391), (3958, 55680), (4640, 47496), (5568, 39580), (5937, 37120), (6960, 31664), (7424, 29685), (7916, 27840), (9280, 23748), (9895, 22272), (11136, 19790), (11874, 18560), (13920, 15832)]