30252460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{769}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 72959040

約数和(自身を除く): 42706580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 769, 1124, 1405, 1538, 1967, 2810, 3076, 3845, 3934, 5383, 5620, 7690, 7868, 9835, 10766, 15380, 19670, 21532, 26915, 39340, 53830, 107660, 216089, 432178, 864356, 1080445, 1512623, 2160890, 3025246, 4321780, 6050492, 7563115, 15126230, 30252460]

約数ペア:

[(1, 30252460), (2, 15126230), (4, 7563115), (5, 6050492), (7, 4321780), (10, 3025246), (14, 2160890), (20, 1512623), (28, 1080445), (35, 864356), (70, 432178), (140, 216089), (281, 107660), (562, 53830), (769, 39340), (1124, 26915), (1405, 21532), (1538, 19670), (1967, 15380), (2810, 10766), (3076, 9835), (3845, 7868), (3934, 7690), (5383, 5620)]