1683760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1619}}^1$

素因数の和:1645

約数の個数: 40

約数和(自身を含む): 4218480

約数和(自身を除く): 2534720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1619, 3238, 6476, 8095, 12952, 16190, 21047, 25904, 32380, 42094, 64760, 84188, 105235, 129520, 168376, 210470, 336752, 420940, 841880, 1683760]

約数ペア:

[(1, 1683760), (2, 841880), (4, 420940), (5, 336752), (8, 210470), (10, 168376), (13, 129520), (16, 105235), (20, 84188), (26, 64760), (40, 42094), (52, 32380), (65, 25904), (80, 21047), (104, 16190), (130, 12952), (208, 8095), (260, 6476), (520, 3238), (1040, 1619)]