216335680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1499}}^1$

素因数の和:1568

約数の個数: 112

約数和(自身を含む): 576072000

約数和(自身を除く): 359736320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 80, 82, 88, 110, 160, 164, 176, 205, 220, 320, 328, 352, 410, 440, 451, 656, 704, 820, 880, 902, 1312, 1499, 1640, 1760, 1804, 2255, 2624, 2998, 3280, 3520, 3608, 4510, 5996, 6560, 7216, 7495, 9020, 11992, 13120, 14432, 14990, 16489, 18040, 23984, 28864, 29980, 32978, 36080, 47968, 59960, 61459, 65956, 72160, 82445, 95936, 119920, 122918, 131912, 144320, 164890, 239840, 245836, 263824, 307295, 329780, 479680, 491672, 527648, 614590, 659560, 676049, 983344, 1055296, 1229180, 1319120, 1352098, 1966688, 2458360, 2638240, 2704196, 3380245, 3933376, 4916720, 5276480, 5408392, 6760490, 9833440, 10816784, 13520980, 19666880, 21633568, 27041960, 43267136, 54083920, 108167840, 216335680]

約数ペア:

[(1, 216335680), (2, 108167840), (4, 54083920), (5, 43267136), (8, 27041960), (10, 21633568), (11, 19666880), (16, 13520980), (20, 10816784), (22, 9833440), (32, 6760490), (40, 5408392), (41, 5276480), (44, 4916720), (55, 3933376), (64, 3380245), (80, 2704196), (82, 2638240), (88, 2458360), (110, 1966688), (160, 1352098), (164, 1319120), (176, 1229180), (205, 1055296), (220, 983344), (320, 676049), (328, 659560), (352, 614590), (410, 527648), (440, 491672), (451, 479680), (656, 329780), (704, 307295), (820, 263824), (880, 245836), (902, 239840), (1312, 164890), (1499, 144320), (1640, 131912), (1760, 122918), (1804, 119920), (2255, 95936), (2624, 82445), (2998, 72160), (3280, 65956), (3520, 61459), (3608, 59960), (4510, 47968), (5996, 36080), (6560, 32978), (7216, 29980), (7495, 28864), (9020, 23984), (11992, 18040), (13120, 16489), (14432, 14990)]