210721280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1069}}^1$

素因数の和:1110

約数の個数: 160

約数和(自身を含む): 630495360

約数和(自身を除く): 419774080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 512, 560, 616, 640, 704, 770, 880, 896, 1069, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 2138, 2240, 2464, 2560, 2816, 3080, 3520, 3584, 4276, 4480, 4928, 5345, 5632, 6160, 7040, 7483, 8552, 8960, 9856, 10690, 11759, 12320, 14080, 14966, 17104, 17920, 19712, 21380, 23518, 24640, 28160, 29932, 34208, 37415, 39424, 42760, 47036, 49280, 58795, 59864, 68416, 74830, 82313, 85520, 94072, 98560, 117590, 119728, 136832, 149660, 164626, 171040, 188144, 197120, 235180, 239456, 273664, 299320, 329252, 342080, 376288, 411565, 470360, 478912, 547328, 598640, 658504, 684160, 752576, 823130, 940720, 957824, 1197280, 1317008, 1368320, 1505152, 1646260, 1881440, 1915648, 2394560, 2634016, 2736640, 3010304, 3292520, 3762880, 3831296, 4789120, 5268032, 6020608, 6585040, 7525760, 9578240, 10536064, 13170080, 15051520, 19156480, 21072128, 26340160, 30103040, 42144256, 52680320, 105360640, 210721280]

約数ペア:

[(1, 210721280), (2, 105360640), (4, 52680320), (5, 42144256), (7, 30103040), (8, 26340160), (10, 21072128), (11, 19156480), (14, 15051520), (16, 13170080), (20, 10536064), (22, 9578240), (28, 7525760), (32, 6585040), (35, 6020608), (40, 5268032), (44, 4789120), (55, 3831296), (56, 3762880), (64, 3292520), (70, 3010304), (77, 2736640), (80, 2634016), (88, 2394560), (110, 1915648), (112, 1881440), (128, 1646260), (140, 1505152), (154, 1368320), (160, 1317008), (176, 1197280), (220, 957824), (224, 940720), (256, 823130), (280, 752576), (308, 684160), (320, 658504), (352, 598640), (385, 547328), (440, 478912), (448, 470360), (512, 411565), (560, 376288), (616, 342080), (640, 329252), (704, 299320), (770, 273664), (880, 239456), (896, 235180), (1069, 197120), (1120, 188144), (1232, 171040), (1280, 164626), (1408, 149660), (1540, 136832), (1760, 119728), (1792, 117590), (2138, 98560), (2240, 94072), (2464, 85520), (2560, 82313), (2816, 74830), (3080, 68416), (3520, 59864), (3584, 58795), (4276, 49280), (4480, 47036), (4928, 42760), (5345, 39424), (5632, 37415), (6160, 34208), (7040, 29932), (7483, 28160), (8552, 24640), (8960, 23518), (9856, 21380), (10690, 19712), (11759, 17920), (12320, 17104), (14080, 14966)]