404648320

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:456

約数の個数: 128

約数和(自身を含む): 1031097600

約数和(自身を除く): 626449280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 107, 128, 152, 160, 190, 214, 304, 311, 320, 380, 428, 535, 608, 622, 640, 760, 856, 1070, 1216, 1244, 1520, 1555, 1712, 2033, 2140, 2432, 2488, 3040, 3110, 3424, 4066, 4280, 4976, 5909, 6080, 6220, 6848, 8132, 8560, 9952, 10165, 11818, 12160, 12440, 13696, 16264, 17120, 19904, 20330, 23636, 24880, 29545, 32528, 33277, 34240, 39808, 40660, 47272, 49760, 59090, 65056, 66554, 68480, 81320, 94544, 99520, 118180, 130112, 133108, 162640, 166385, 189088, 199040, 236360, 260224, 266216, 325280, 332770, 378176, 472720, 532432, 632263, 650560, 665540, 756352, 945440, 1064864, 1264526, 1301120, 1331080, 1890880, 2129728, 2529052, 2662160, 3161315, 3781760, 4259456, 5058104, 5324320, 6322630, 10116208, 10648640, 12645260, 20232416, 21297280, 25290520, 40464832, 50581040, 80929664, 101162080, 202324160, 404648320]

約数ペア:

[(1, 404648320), (2, 202324160), (4, 101162080), (5, 80929664), (8, 50581040), (10, 40464832), (16, 25290520), (19, 21297280), (20, 20232416), (32, 12645260), (38, 10648640), (40, 10116208), (64, 6322630), (76, 5324320), (80, 5058104), (95, 4259456), (107, 3781760), (128, 3161315), (152, 2662160), (160, 2529052), (190, 2129728), (214, 1890880), (304, 1331080), (311, 1301120), (320, 1264526), (380, 1064864), (428, 945440), (535, 756352), (608, 665540), (622, 650560), (640, 632263), (760, 532432), (856, 472720), (1070, 378176), (1216, 332770), (1244, 325280), (1520, 266216), (1555, 260224), (1712, 236360), (2033, 199040), (2140, 189088), (2432, 166385), (2488, 162640), (3040, 133108), (3110, 130112), (3424, 118180), (4066, 99520), (4280, 94544), (4976, 81320), (5909, 68480), (6080, 66554), (6220, 65056), (6848, 59090), (8132, 49760), (8560, 47272), (9952, 40660), (10165, 39808), (11818, 34240), (12160, 33277), (12440, 32528), (13696, 29545), (16264, 24880), (17120, 23636), (19904, 20330)]