1620504

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 4464720

約数和(自身を除く): 2844216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 317, 426, 568, 634, 639, 852, 951, 1268, 1278, 1704, 1902, 2536, 2556, 2853, 3804, 5112, 5706, 7608, 11412, 22507, 22824, 45014, 67521, 90028, 135042, 180056, 202563, 270084, 405126, 540168, 810252, 1620504]

約数ペア:

[(1, 1620504), (2, 810252), (3, 540168), (4, 405126), (6, 270084), (8, 202563), (9, 180056), (12, 135042), (18, 90028), (24, 67521), (36, 45014), (71, 22824), (72, 22507), (142, 11412), (213, 7608), (284, 5706), (317, 5112), (426, 3804), (568, 2853), (634, 2556), (639, 2536), (852, 1902), (951, 1704), (1268, 1278)]