2181440

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:435

約数の個数: 56

約数和(自身を含む): 5513832

約数和(自身を除く): 3332392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 401, 544, 680, 802, 1088, 1360, 1604, 2005, 2720, 3208, 4010, 5440, 6416, 6817, 8020, 12832, 13634, 16040, 25664, 27268, 32080, 34085, 54536, 64160, 68170, 109072, 128320, 136340, 218144, 272680, 436288, 545360, 1090720, 2181440]

約数ペア:

[(1, 2181440), (2, 1090720), (4, 545360), (5, 436288), (8, 272680), (10, 218144), (16, 136340), (17, 128320), (20, 109072), (32, 68170), (34, 64160), (40, 54536), (64, 34085), (68, 32080), (80, 27268), (85, 25664), (136, 16040), (160, 13634), (170, 12832), (272, 8020), (320, 6817), (340, 6416), (401, 5440), (544, 4010), (680, 3208), (802, 2720), (1088, 2005), (1360, 1604)]