1340778880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{299281}}^1$

素因数の和:299307

約数の個数: 64

約数和(自身を含む): 3663211680

約数和(自身を除く): 2322432800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 299281, 598562, 1197124, 1496405, 2094967, 2394248, 2992810, 4189934, 4788496, 5985620, 8379868, 9576992, 10474835, 11971240, 16759736, 19153984, 20949670, 23942480, 33519472, 38307968, 41899340, 47884960, 67038944, 83798680, 95769920, 134077888, 167597360, 191539840, 268155776, 335194720, 670389440, 1340778880]

約数ペア:

[(1, 1340778880), (2, 670389440), (4, 335194720), (5, 268155776), (7, 191539840), (8, 167597360), (10, 134077888), (14, 95769920), (16, 83798680), (20, 67038944), (28, 47884960), (32, 41899340), (35, 38307968), (40, 33519472), (56, 23942480), (64, 20949670), (70, 19153984), (80, 16759736), (112, 11971240), (128, 10474835), (140, 9576992), (160, 8379868), (224, 5985620), (280, 4788496), (320, 4189934), (448, 2992810), (560, 2394248), (640, 2094967), (896, 1496405), (1120, 1197124), (2240, 598562), (4480, 299281)]