278333280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3434

約数の個数: 192

約数和(自身を含む): 1025740800

約数和(自身を除く): 747407520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3391, 3420, 4104, 4320, 4560, 5130, 5472, 6782, 6840, 8208, 9120, 10173, 10260, 13564, 13680, 16416, 16955, 20346, 20520, 27128, 27360, 30519, 33910, 40692, 41040, 50865, 54256, 61038, 64429, 67820, 81384, 82080, 91557, 101730, 108512, 122076, 128858, 135640, 152595, 162768, 183114, 193287, 203460, 244152, 257716, 271280, 305190, 322145, 325536, 366228, 386574, 406920, 457785, 488304, 515432, 542560, 579861, 610380, 644290, 732456, 773148, 813840, 915570, 966435, 976608, 1030864, 1159722, 1220760, 1288580, 1464912, 1546296, 1627680, 1739583, 1831140, 1932870, 2061728, 2319444, 2441520, 2577160, 2899305, 2929824, 3092592, 3479166, 3662280, 3865740, 4638888, 4883040, 5154320, 5798610, 6185184, 6958332, 7324560, 7731480, 8697915, 9277776, 10308640, 11597220, 13916664, 14649120, 15462960, 17395830, 18555552, 23194440, 27833328, 30925920, 34791660, 46388880, 55666656, 69583320, 92777760, 139166640, 278333280]

約数ペア:

[(1, 278333280), (2, 139166640), (3, 92777760), (4, 69583320), (5, 55666656), (6, 46388880), (8, 34791660), (9, 30925920), (10, 27833328), (12, 23194440), (15, 18555552), (16, 17395830), (18, 15462960), (19, 14649120), (20, 13916664), (24, 11597220), (27, 10308640), (30, 9277776), (32, 8697915), (36, 7731480), (38, 7324560), (40, 6958332), (45, 6185184), (48, 5798610), (54, 5154320), (57, 4883040), (60, 4638888), (72, 3865740), (76, 3662280), (80, 3479166), (90, 3092592), (95, 2929824), (96, 2899305), (108, 2577160), (114, 2441520), (120, 2319444), (135, 2061728), (144, 1932870), (152, 1831140), (160, 1739583), (171, 1627680), (180, 1546296), (190, 1464912), (216, 1288580), (228, 1220760), (240, 1159722), (270, 1030864), (285, 976608), (288, 966435), (304, 915570), (342, 813840), (360, 773148), (380, 732456), (432, 644290), (456, 610380), (480, 579861), (513, 542560), (540, 515432), (570, 488304), (608, 457785), (684, 406920), (720, 386574), (760, 366228), (855, 325536), (864, 322145), (912, 305190), (1026, 271280), (1080, 257716), (1140, 244152), (1368, 203460), (1440, 193287), (1520, 183114), (1710, 162768), (1824, 152595), (2052, 135640), (2160, 128858), (2280, 122076), (2565, 108512), (2736, 101730), (3040, 91557), (3391, 82080), (3420, 81384), (4104, 67820), (4320, 64429), (4560, 61038), (5130, 54256), (5472, 50865), (6782, 41040), (6840, 40692), (8208, 33910), (9120, 30519), (10173, 27360), (10260, 27128), (13564, 20520), (13680, 20346), (16416, 16955)]