1662880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 4142880

約数和(自身を除く): 2480000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 547, 608, 760, 1094, 1520, 2188, 2735, 3040, 4376, 5470, 8752, 10393, 10940, 17504, 20786, 21880, 41572, 43760, 51965, 83144, 87520, 103930, 166288, 207860, 332576, 415720, 831440, 1662880]

約数ペア:

[(1, 1662880), (2, 831440), (4, 415720), (5, 332576), (8, 207860), (10, 166288), (16, 103930), (19, 87520), (20, 83144), (32, 51965), (38, 43760), (40, 41572), (76, 21880), (80, 20786), (95, 17504), (152, 10940), (160, 10393), (190, 8752), (304, 5470), (380, 4376), (547, 3040), (608, 2735), (760, 2188), (1094, 1520)]