78741320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{41}}^1$

素因数の和:116

約数の個数: 128

約数和(自身を含む): 218937600

約数和(自身を除く): 140196280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 82, 95, 133, 140, 152, 164, 190, 205, 266, 280, 287, 328, 361, 380, 410, 532, 574, 665, 722, 760, 779, 820, 1064, 1148, 1330, 1435, 1444, 1558, 1640, 1805, 2296, 2527, 2660, 2870, 2888, 3116, 3610, 3895, 5054, 5320, 5453, 5740, 6232, 6859, 7220, 7790, 10108, 10906, 11480, 12635, 13718, 14440, 14801, 15580, 20216, 21812, 25270, 27265, 27436, 29602, 31160, 34295, 43624, 48013, 50540, 54530, 54872, 59204, 68590, 74005, 96026, 101080, 103607, 109060, 118408, 137180, 148010, 192052, 207214, 218120, 240065, 274360, 281219, 296020, 384104, 414428, 480130, 518035, 562438, 592040, 828856, 960260, 1036070, 1124876, 1406095, 1920520, 1968533, 2072140, 2249752, 2812190, 3937066, 4144280, 5624380, 7874132, 9842665, 11248760, 15748264, 19685330, 39370660, 78741320]

約数ペア:

[(1, 78741320), (2, 39370660), (4, 19685330), (5, 15748264), (7, 11248760), (8, 9842665), (10, 7874132), (14, 5624380), (19, 4144280), (20, 3937066), (28, 2812190), (35, 2249752), (38, 2072140), (40, 1968533), (41, 1920520), (56, 1406095), (70, 1124876), (76, 1036070), (82, 960260), (95, 828856), (133, 592040), (140, 562438), (152, 518035), (164, 480130), (190, 414428), (205, 384104), (266, 296020), (280, 281219), (287, 274360), (328, 240065), (361, 218120), (380, 207214), (410, 192052), (532, 148010), (574, 137180), (665, 118408), (722, 109060), (760, 103607), (779, 101080), (820, 96026), (1064, 74005), (1148, 68590), (1330, 59204), (1435, 54872), (1444, 54530), (1558, 50540), (1640, 48013), (1805, 43624), (2296, 34295), (2527, 31160), (2660, 29602), (2870, 27436), (2888, 27265), (3116, 25270), (3610, 21812), (3895, 20216), (5054, 15580), (5320, 14801), (5453, 14440), (5740, 13718), (6232, 12635), (6859, 11480), (7220, 10906), (7790, 10108)]