1264039280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{322459}}^1$

素因数の和:322486

約数の個数: 60

約数和(自身を含む): 3418720920

約数和(自身を除く): 2154681640

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, 322459, 644918, 1289836, 1612295, 2257213, 2579672, 3224590, 4514426, 5159344, 6449180, 9028852, 11286065, 12898360, 15800491, 18057704, 22572130, 25796720, 31600982, 36115408, 45144260, 63201964, 79002455, 90288520, 126403928, 158004910, 180577040, 252807856, 316009820, 632019640, 1264039280]

約数ペア:

[(1, 1264039280), (2, 632019640), (4, 316009820), (5, 252807856), (7, 180577040), (8, 158004910), (10, 126403928), (14, 90288520), (16, 79002455), (20, 63201964), (28, 45144260), (35, 36115408), (40, 31600982), (49, 25796720), (56, 22572130), (70, 18057704), (80, 15800491), (98, 12898360), (112, 11286065), (140, 9028852), (196, 6449180), (245, 5159344), (280, 4514426), (392, 3224590), (490, 2579672), (560, 2257213), (784, 1612295), (980, 1289836), (1960, 644918), (3920, 322459)]