280984480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:303

約数の個数: 192

約数和(自身を含む): 807770880

約数和(自身を除く): 526786400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 41, 56, 58, 70, 80, 82, 112, 116, 140, 145, 160, 164, 203, 205, 211, 224, 232, 280, 287, 290, 328, 406, 410, 422, 464, 560, 574, 580, 656, 812, 820, 844, 928, 1015, 1055, 1120, 1148, 1160, 1189, 1312, 1435, 1477, 1624, 1640, 1688, 2030, 2110, 2296, 2320, 2378, 2870, 2954, 3248, 3280, 3376, 4060, 4220, 4592, 4640, 4756, 5740, 5908, 5945, 6119, 6496, 6560, 6752, 7385, 8120, 8323, 8440, 8651, 9184, 9512, 11480, 11816, 11890, 12238, 14770, 16240, 16646, 16880, 17302, 19024, 22960, 23632, 23780, 24476, 29540, 30595, 32480, 33292, 33760, 34604, 38048, 41615, 42833, 43255, 45920, 47264, 47560, 48952, 59080, 60557, 61190, 66584, 69208, 83230, 85666, 86510, 95120, 97904, 118160, 121114, 122380, 133168, 138416, 166460, 171332, 173020, 190240, 195808, 214165, 236320, 242228, 244760, 250879, 266336, 276832, 302785, 332920, 342664, 346040, 428330, 484456, 489520, 501758, 605570, 665840, 685328, 692080, 856660, 968912, 979040, 1003516, 1211140, 1254395, 1331680, 1370656, 1384160, 1713320, 1756153, 1937824, 2007032, 2422280, 2508790, 3426640, 3512306, 4014064, 4844560, 5017580, 6853280, 7024612, 8028128, 8780765, 9689120, 10035160, 14049224, 17561530, 20070320, 28098448, 35123060, 40140640, 56196896, 70246120, 140492240, 280984480]

約数ペア:

[(1, 280984480), (2, 140492240), (4, 70246120), (5, 56196896), (7, 40140640), (8, 35123060), (10, 28098448), (14, 20070320), (16, 17561530), (20, 14049224), (28, 10035160), (29, 9689120), (32, 8780765), (35, 8028128), (40, 7024612), (41, 6853280), (56, 5017580), (58, 4844560), (70, 4014064), (80, 3512306), (82, 3426640), (112, 2508790), (116, 2422280), (140, 2007032), (145, 1937824), (160, 1756153), (164, 1713320), (203, 1384160), (205, 1370656), (211, 1331680), (224, 1254395), (232, 1211140), (280, 1003516), (287, 979040), (290, 968912), (328, 856660), (406, 692080), (410, 685328), (422, 665840), (464, 605570), (560, 501758), (574, 489520), (580, 484456), (656, 428330), (812, 346040), (820, 342664), (844, 332920), (928, 302785), (1015, 276832), (1055, 266336), (1120, 250879), (1148, 244760), (1160, 242228), (1189, 236320), (1312, 214165), (1435, 195808), (1477, 190240), (1624, 173020), (1640, 171332), (1688, 166460), (2030, 138416), (2110, 133168), (2296, 122380), (2320, 121114), (2378, 118160), (2870, 97904), (2954, 95120), (3248, 86510), (3280, 85666), (3376, 83230), (4060, 69208), (4220, 66584), (4592, 61190), (4640, 60557), (4756, 59080), (5740, 48952), (5908, 47560), (5945, 47264), (6119, 45920), (6496, 43255), (6560, 42833), (6752, 41615), (7385, 38048), (8120, 34604), (8323, 33760), (8440, 33292), (8651, 32480), (9184, 30595), (9512, 29540), (11480, 24476), (11816, 23780), (11890, 23632), (12238, 22960), (14770, 19024), (16240, 17302), (16646, 16880)]