30271640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1481}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 78960960

約数和(自身を除く): 48689320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 1481, 2044, 2555, 2920, 2962, 4088, 5110, 5924, 7405, 10220, 10367, 11848, 14810, 20440, 20734, 29620, 41468, 51835, 59240, 82936, 103670, 108113, 207340, 216226, 414680, 432452, 540565, 756791, 864904, 1081130, 1513582, 2162260, 3027164, 3783955, 4324520, 6054328, 7567910, 15135820, 30271640]

約数ペア:

[(1, 30271640), (2, 15135820), (4, 7567910), (5, 6054328), (7, 4324520), (8, 3783955), (10, 3027164), (14, 2162260), (20, 1513582), (28, 1081130), (35, 864904), (40, 756791), (56, 540565), (70, 432452), (73, 414680), (140, 216226), (146, 207340), (280, 108113), (292, 103670), (365, 82936), (511, 59240), (584, 51835), (730, 41468), (1022, 29620), (1460, 20734), (1481, 20440), (2044, 14810), (2555, 11848), (2920, 10367), (2962, 10220), (4088, 7405), (5110, 5924)]