268339280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1513

約数の個数: 120

約数和(自身を含む): 722349600

約数和(自身を除く): 454010320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 176, 190, 209, 220, 242, 304, 380, 418, 440, 484, 605, 760, 836, 880, 968, 1045, 1210, 1459, 1520, 1672, 1936, 2090, 2299, 2420, 2918, 3344, 4180, 4598, 4840, 5836, 7295, 8360, 9196, 9680, 11495, 11672, 14590, 16049, 16720, 18392, 22990, 23344, 27721, 29180, 32098, 36784, 45980, 55442, 58360, 64196, 80245, 91960, 110884, 116720, 128392, 138605, 160490, 176539, 183920, 221768, 256784, 277210, 304931, 320980, 353078, 443536, 554420, 609862, 641960, 706156, 882695, 1108840, 1219724, 1283920, 1412312, 1524655, 1765390, 2217680, 2439448, 2824624, 3049310, 3354241, 3530780, 4878896, 6098620, 6708482, 7061560, 12197240, 13416964, 14123120, 16771205, 24394480, 26833928, 33542410, 53667856, 67084820, 134169640, 268339280]

約数ペア:

[(1, 268339280), (2, 134169640), (4, 67084820), (5, 53667856), (8, 33542410), (10, 26833928), (11, 24394480), (16, 16771205), (19, 14123120), (20, 13416964), (22, 12197240), (38, 7061560), (40, 6708482), (44, 6098620), (55, 4878896), (76, 3530780), (80, 3354241), (88, 3049310), (95, 2824624), (110, 2439448), (121, 2217680), (152, 1765390), (176, 1524655), (190, 1412312), (209, 1283920), (220, 1219724), (242, 1108840), (304, 882695), (380, 706156), (418, 641960), (440, 609862), (484, 554420), (605, 443536), (760, 353078), (836, 320980), (880, 304931), (968, 277210), (1045, 256784), (1210, 221768), (1459, 183920), (1520, 176539), (1672, 160490), (1936, 138605), (2090, 128392), (2299, 116720), (2420, 110884), (2918, 91960), (3344, 80245), (4180, 64196), (4598, 58360), (4840, 55442), (5836, 45980), (7295, 36784), (8360, 32098), (9196, 29180), (9680, 27721), (11495, 23344), (11672, 22990), (14590, 18392), (16049, 16720)]