12810990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9931}}^1$

素因数の和:9984

約数の個数: 32

約数和(自身を含む): 31464576

約数和(自身を除く): 18653586

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 9931, 19862, 29793, 49655, 59586, 99310, 148965, 297930, 427033, 854066, 1281099, 2135165, 2562198, 4270330, 6405495, 12810990]

約数ペア:

[(1, 12810990), (2, 6405495), (3, 4270330), (5, 2562198), (6, 2135165), (10, 1281099), (15, 854066), (30, 427033), (43, 297930), (86, 148965), (129, 99310), (215, 59586), (258, 49655), (430, 29793), (645, 19862), (1290, 9931)]