180931960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 464175360

約数和(自身を除く): 283243400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 73, 86, 88, 110, 131, 146, 172, 215, 220, 262, 292, 344, 365, 430, 440, 473, 524, 584, 655, 730, 803, 860, 946, 1048, 1310, 1441, 1460, 1606, 1720, 1892, 2365, 2620, 2882, 2920, 3139, 3212, 3784, 4015, 4730, 5240, 5633, 5764, 6278, 6424, 7205, 8030, 9460, 9563, 11266, 11528, 12556, 14410, 15695, 16060, 18920, 19126, 22532, 25112, 28165, 28820, 31390, 32120, 34529, 38252, 45064, 47815, 56330, 57640, 61963, 62780, 69058, 76504, 95630, 105193, 112660, 123926, 125560, 138116, 172645, 191260, 210386, 225320, 247852, 276232, 309815, 345290, 382520, 411209, 420772, 495704, 525965, 619630, 690580, 822418, 841544, 1051930, 1239260, 1381160, 1644836, 2056045, 2103860, 2478520, 3289672, 4112090, 4207720, 4523299, 8224180, 9046598, 16448360, 18093196, 22616495, 36186392, 45232990, 90465980, 180931960]

約数ペア:

[(1, 180931960), (2, 90465980), (4, 45232990), (5, 36186392), (8, 22616495), (10, 18093196), (11, 16448360), (20, 9046598), (22, 8224180), (40, 4523299), (43, 4207720), (44, 4112090), (55, 3289672), (73, 2478520), (86, 2103860), (88, 2056045), (110, 1644836), (131, 1381160), (146, 1239260), (172, 1051930), (215, 841544), (220, 822418), (262, 690580), (292, 619630), (344, 525965), (365, 495704), (430, 420772), (440, 411209), (473, 382520), (524, 345290), (584, 309815), (655, 276232), (730, 247852), (803, 225320), (860, 210386), (946, 191260), (1048, 172645), (1310, 138116), (1441, 125560), (1460, 123926), (1606, 112660), (1720, 105193), (1892, 95630), (2365, 76504), (2620, 69058), (2882, 62780), (2920, 61963), (3139, 57640), (3212, 56330), (3784, 47815), (4015, 45064), (4730, 38252), (5240, 34529), (5633, 32120), (5764, 31390), (6278, 28820), (6424, 28165), (7205, 25112), (8030, 22532), (9460, 19126), (9563, 18920), (11266, 16060), (11528, 15695), (12556, 14410)]