215630720

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19819}}^1$

素因数の和:19855

約数の個数: 64

約数和(自身を含む): 545842800

約数和(自身を除く): 330212080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 19819, 39638, 79276, 99095, 158552, 198190, 317104, 336923, 396380, 634208, 673846, 792760, 1268416, 1347692, 1585520, 1684615, 2536832, 2695384, 3171040, 3369230, 5390768, 6342080, 6738460, 10781536, 12684160, 13476920, 21563072, 26953840, 43126144, 53907680, 107815360, 215630720]

約数ペア:

[(1, 215630720), (2, 107815360), (4, 53907680), (5, 43126144), (8, 26953840), (10, 21563072), (16, 13476920), (17, 12684160), (20, 10781536), (32, 6738460), (34, 6342080), (40, 5390768), (64, 3369230), (68, 3171040), (80, 2695384), (85, 2536832), (128, 1684615), (136, 1585520), (160, 1347692), (170, 1268416), (272, 792760), (320, 673846), (340, 634208), (544, 396380), (640, 336923), (680, 317104), (1088, 198190), (1360, 158552), (2176, 99095), (2720, 79276), (5440, 39638), (10880, 19819)]