81280836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:650

約数の個数: 144

約数和(自身を含む): 259202944

約数和(自身を除く): 177922108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 43, 52, 63, 78, 84, 86, 91, 117, 126, 129, 156, 172, 182, 234, 252, 258, 273, 301, 364, 387, 468, 516, 546, 559, 577, 602, 774, 819, 903, 1092, 1118, 1154, 1204, 1548, 1638, 1677, 1731, 1806, 2236, 2308, 2709, 3276, 3354, 3462, 3612, 3913, 4039, 5031, 5193, 5418, 6708, 6924, 7501, 7826, 8078, 10062, 10386, 10836, 11739, 12117, 15002, 15652, 16156, 20124, 20772, 22503, 23478, 24234, 24811, 30004, 35217, 36351, 45006, 46956, 48468, 49622, 52507, 67509, 70434, 72702, 74433, 90012, 99244, 105014, 135018, 140868, 145404, 148866, 157521, 173677, 210028, 223299, 270036, 297732, 315042, 322543, 347354, 446598, 472563, 521031, 630084, 645086, 694708, 893196, 945126, 967629, 1042062, 1290172, 1563093, 1890252, 1935258, 2084124, 2257801, 2902887, 3126186, 3870516, 4515602, 5805774, 6252372, 6773403, 9031204, 11611548, 13546806, 20320209, 27093612, 40640418, 81280836]

約数ペア:

[(1, 81280836), (2, 40640418), (3, 27093612), (4, 20320209), (6, 13546806), (7, 11611548), (9, 9031204), (12, 6773403), (13, 6252372), (14, 5805774), (18, 4515602), (21, 3870516), (26, 3126186), (28, 2902887), (36, 2257801), (39, 2084124), (42, 1935258), (43, 1890252), (52, 1563093), (63, 1290172), (78, 1042062), (84, 967629), (86, 945126), (91, 893196), (117, 694708), (126, 645086), (129, 630084), (156, 521031), (172, 472563), (182, 446598), (234, 347354), (252, 322543), (258, 315042), (273, 297732), (301, 270036), (364, 223299), (387, 210028), (468, 173677), (516, 157521), (546, 148866), (559, 145404), (577, 140868), (602, 135018), (774, 105014), (819, 99244), (903, 90012), (1092, 74433), (1118, 72702), (1154, 70434), (1204, 67509), (1548, 52507), (1638, 49622), (1677, 48468), (1731, 46956), (1806, 45006), (2236, 36351), (2308, 35217), (2709, 30004), (3276, 24811), (3354, 24234), (3462, 23478), (3612, 22503), (3913, 20772), (4039, 20124), (5031, 16156), (5193, 15652), (5418, 15002), (6708, 12117), (6924, 11739), (7501, 10836), (7826, 10386), (8078, 10062)]