1284520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1889}}^1$

素因数の和:1917

約数の個数: 32

約数和(自身を含む): 3061800

約数和(自身を除く): 1777280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1889, 3778, 7556, 9445, 15112, 18890, 32113, 37780, 64226, 75560, 128452, 160565, 256904, 321130, 642260, 1284520]

約数ペア:

[(1, 1284520), (2, 642260), (4, 321130), (5, 256904), (8, 160565), (10, 128452), (17, 75560), (20, 64226), (34, 37780), (40, 32113), (68, 18890), (85, 15112), (136, 9445), (170, 7556), (340, 3778), (680, 1889)]