64838480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115783}}^1$

素因数の和:115803

約数の個数: 40

約数和(自身を含む): 172286592

約数和(自身を除く): 107448112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115783, 231566, 463132, 578915, 810481, 926264, 1157830, 1620962, 1852528, 2315660, 3241924, 4052405, 4631320, 6483848, 8104810, 9262640, 12967696, 16209620, 32419240, 64838480]

約数ペア:

[(1, 64838480), (2, 32419240), (4, 16209620), (5, 12967696), (7, 9262640), (8, 8104810), (10, 6483848), (14, 4631320), (16, 4052405), (20, 3241924), (28, 2315660), (35, 1852528), (40, 1620962), (56, 1157830), (70, 926264), (80, 810481), (112, 578915), (140, 463132), (280, 231566), (560, 115783)]