1797920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 4504248

約数和(自身を除く): 2706328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 661, 680, 1322, 1360, 2644, 2720, 3305, 5288, 6610, 10576, 11237, 13220, 21152, 22474, 26440, 44948, 52880, 56185, 89896, 105760, 112370, 179792, 224740, 359584, 449480, 898960, 1797920]

約数ペア:

[(1, 1797920), (2, 898960), (4, 449480), (5, 359584), (8, 224740), (10, 179792), (16, 112370), (17, 105760), (20, 89896), (32, 56185), (34, 52880), (40, 44948), (68, 26440), (80, 22474), (85, 21152), (136, 13220), (160, 11237), (170, 10576), (272, 6610), (340, 5288), (544, 3305), (661, 2720), (680, 2644), (1322, 1360)]