17451520

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:441

約数の個数: 80

約数和(自身を含む): 44414568

約数和(自身を除く): 26963048

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 401, 512, 544, 640, 680, 802, 1088, 1280, 1360, 1604, 2005, 2176, 2560, 2720, 3208, 4010, 4352, 5440, 6416, 6817, 8020, 8704, 10880, 12832, 13634, 16040, 21760, 25664, 27268, 32080, 34085, 43520, 51328, 54536, 64160, 68170, 102656, 109072, 128320, 136340, 205312, 218144, 256640, 272680, 436288, 513280, 545360, 872576, 1026560, 1090720, 1745152, 2181440, 3490304, 4362880, 8725760, 17451520]

約数ペア:

[(1, 17451520), (2, 8725760), (4, 4362880), (5, 3490304), (8, 2181440), (10, 1745152), (16, 1090720), (17, 1026560), (20, 872576), (32, 545360), (34, 513280), (40, 436288), (64, 272680), (68, 256640), (80, 218144), (85, 205312), (128, 136340), (136, 128320), (160, 109072), (170, 102656), (256, 68170), (272, 64160), (320, 54536), (340, 51328), (401, 43520), (512, 34085), (544, 32080), (640, 27268), (680, 25664), (802, 21760), (1088, 16040), (1280, 13634), (1360, 12832), (1604, 10880), (2005, 8704), (2176, 8020), (2560, 6817), (2720, 6416), (3208, 5440), (4010, 4352)]