128846480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{32869}}^1$

素因数の和:32896

約数の個数: 60

約数和(自身を含む): 348487740

約数和(自身を除く): 219641260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 32869, 65738, 131476, 164345, 230083, 262952, 328690, 460166, 525904, 657380, 920332, 1150415, 1314760, 1610581, 1840664, 2300830, 2629520, 3221162, 3681328, 4601660, 6442324, 8052905, 9203320, 12884648, 16105810, 18406640, 25769296, 32211620, 64423240, 128846480]

約数ペア:

[(1, 128846480), (2, 64423240), (4, 32211620), (5, 25769296), (7, 18406640), (8, 16105810), (10, 12884648), (14, 9203320), (16, 8052905), (20, 6442324), (28, 4601660), (35, 3681328), (40, 3221162), (49, 2629520), (56, 2300830), (70, 1840664), (80, 1610581), (98, 1314760), (112, 1150415), (140, 920332), (196, 657380), (245, 525904), (280, 460166), (392, 328690), (490, 262952), (560, 230083), (784, 164345), (980, 131476), (1960, 65738), (3920, 32869)]