1296680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 3646080

約数和(自身を除く): 2349400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 421, 440, 616, 770, 842, 1540, 1684, 2105, 2947, 3080, 3368, 4210, 4631, 5894, 8420, 9262, 11788, 14735, 16840, 18524, 23155, 23576, 29470, 32417, 37048, 46310, 58940, 64834, 92620, 117880, 129668, 162085, 185240, 259336, 324170, 648340, 1296680]

約数ペア:

[(1, 1296680), (2, 648340), (4, 324170), (5, 259336), (7, 185240), (8, 162085), (10, 129668), (11, 117880), (14, 92620), (20, 64834), (22, 58940), (28, 46310), (35, 37048), (40, 32417), (44, 29470), (55, 23576), (56, 23155), (70, 18524), (77, 16840), (88, 14735), (110, 11788), (140, 9262), (154, 8420), (220, 5894), (280, 4631), (308, 4210), (385, 3368), (421, 3080), (440, 2947), (616, 2105), (770, 1684), (842, 1540)]