1398080

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 56

約数和(自身を含む): 3538728

約数和(自身を除く): 2140648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 257, 272, 320, 340, 514, 544, 680, 1028, 1088, 1285, 1360, 2056, 2570, 2720, 4112, 4369, 5140, 5440, 8224, 8738, 10280, 16448, 17476, 20560, 21845, 34952, 41120, 43690, 69904, 82240, 87380, 139808, 174760, 279616, 349520, 699040, 1398080]

約数ペア:

[(1, 1398080), (2, 699040), (4, 349520), (5, 279616), (8, 174760), (10, 139808), (16, 87380), (17, 82240), (20, 69904), (32, 43690), (34, 41120), (40, 34952), (64, 21845), (68, 20560), (80, 17476), (85, 16448), (136, 10280), (160, 8738), (170, 8224), (257, 5440), (272, 5140), (320, 4369), (340, 4112), (514, 2720), (544, 2570), (680, 2056), (1028, 1360), (1088, 1285)]