218992480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 192

約数和(自身を含む): 640120320

約数和(自身を除く): 421127840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 41, 56, 70, 76, 80, 82, 95, 112, 133, 140, 152, 160, 164, 190, 205, 224, 251, 266, 280, 287, 304, 328, 380, 410, 502, 532, 560, 574, 608, 656, 665, 760, 779, 820, 1004, 1064, 1120, 1148, 1255, 1312, 1330, 1435, 1520, 1558, 1640, 1757, 2008, 2128, 2296, 2510, 2660, 2870, 3040, 3116, 3280, 3514, 3895, 4016, 4256, 4592, 4769, 5020, 5320, 5453, 5740, 6232, 6560, 7028, 7790, 8032, 8785, 9184, 9538, 10040, 10291, 10640, 10906, 11480, 12464, 14056, 15580, 17570, 19076, 20080, 20582, 21280, 21812, 22960, 23845, 24928, 27265, 28112, 31160, 33383, 35140, 38152, 40160, 41164, 43624, 45920, 47690, 51455, 54530, 56224, 62320, 66766, 70280, 72037, 76304, 82328, 87248, 95380, 102910, 109060, 124640, 133532, 140560, 144074, 152608, 164656, 166915, 174496, 190760, 195529, 205820, 218120, 267064, 281120, 288148, 329312, 333830, 360185, 381520, 391058, 411640, 436240, 534128, 576296, 667660, 720370, 763040, 782116, 823280, 872480, 977645, 1068256, 1152592, 1335320, 1368703, 1440740, 1564232, 1646560, 1955290, 2305184, 2670640, 2737406, 2881480, 3128464, 3910580, 5341280, 5474812, 5762960, 6256928, 6843515, 7821160, 10949624, 11525920, 13687030, 15642320, 21899248, 27374060, 31284640, 43798496, 54748120, 109496240, 218992480]

約数ペア:

[(1, 218992480), (2, 109496240), (4, 54748120), (5, 43798496), (7, 31284640), (8, 27374060), (10, 21899248), (14, 15642320), (16, 13687030), (19, 11525920), (20, 10949624), (28, 7821160), (32, 6843515), (35, 6256928), (38, 5762960), (40, 5474812), (41, 5341280), (56, 3910580), (70, 3128464), (76, 2881480), (80, 2737406), (82, 2670640), (95, 2305184), (112, 1955290), (133, 1646560), (140, 1564232), (152, 1440740), (160, 1368703), (164, 1335320), (190, 1152592), (205, 1068256), (224, 977645), (251, 872480), (266, 823280), (280, 782116), (287, 763040), (304, 720370), (328, 667660), (380, 576296), (410, 534128), (502, 436240), (532, 411640), (560, 391058), (574, 381520), (608, 360185), (656, 333830), (665, 329312), (760, 288148), (779, 281120), (820, 267064), (1004, 218120), (1064, 205820), (1120, 195529), (1148, 190760), (1255, 174496), (1312, 166915), (1330, 164656), (1435, 152608), (1520, 144074), (1558, 140560), (1640, 133532), (1757, 124640), (2008, 109060), (2128, 102910), (2296, 95380), (2510, 87248), (2660, 82328), (2870, 76304), (3040, 72037), (3116, 70280), (3280, 66766), (3514, 62320), (3895, 56224), (4016, 54530), (4256, 51455), (4592, 47690), (4769, 45920), (5020, 43624), (5320, 41164), (5453, 40160), (5740, 38152), (6232, 35140), (6560, 33383), (7028, 31160), (7790, 28112), (8032, 27265), (8785, 24928), (9184, 23845), (9538, 22960), (10040, 21812), (10291, 21280), (10640, 20582), (10906, 20080), (11480, 19076), (12464, 17570), (14056, 15580)]