640819368

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{29569}}^1$

素因数の和:29631

約数の個数: 96

約数和(自身を含む): 2029684800

約数和(自身を除く): 1388865432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 43, 56, 63, 72, 84, 86, 126, 129, 168, 172, 252, 258, 301, 344, 387, 504, 516, 602, 774, 903, 1032, 1204, 1548, 1806, 2408, 2709, 3096, 3612, 5418, 7224, 10836, 21672, 29569, 59138, 88707, 118276, 177414, 206983, 236552, 266121, 354828, 413966, 532242, 620949, 709656, 827932, 1064484, 1241898, 1271467, 1655864, 1862847, 2128968, 2483796, 2542934, 3725694, 3814401, 4967592, 5085868, 7451388, 7628802, 8900269, 10171736, 11443203, 14902776, 15257604, 17800538, 22886406, 26700807, 30515208, 35601076, 45772812, 53401614, 71202152, 80102421, 91545624, 106803228, 160204842, 213606456, 320409684, 640819368]

約数ペア:

[(1, 640819368), (2, 320409684), (3, 213606456), (4, 160204842), (6, 106803228), (7, 91545624), (8, 80102421), (9, 71202152), (12, 53401614), (14, 45772812), (18, 35601076), (21, 30515208), (24, 26700807), (28, 22886406), (36, 17800538), (42, 15257604), (43, 14902776), (56, 11443203), (63, 10171736), (72, 8900269), (84, 7628802), (86, 7451388), (126, 5085868), (129, 4967592), (168, 3814401), (172, 3725694), (252, 2542934), (258, 2483796), (301, 2128968), (344, 1862847), (387, 1655864), (504, 1271467), (516, 1241898), (602, 1064484), (774, 827932), (903, 709656), (1032, 620949), (1204, 532242), (1548, 413966), (1806, 354828), (2408, 266121), (2709, 236552), (3096, 206983), (3612, 177414), (5418, 118276), (7224, 88707), (10836, 59138), (21672, 29569)]