154694820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{839}}^1$

素因数の和:1297

約数の個数: 96

約数和(自身を含む): 496742400

約数和(自身を除く): 342047580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 439, 839, 878, 1317, 1678, 1756, 2195, 2517, 2634, 3073, 3356, 4195, 4390, 5034, 5268, 5873, 6146, 6585, 8390, 8780, 9219, 10068, 11746, 12292, 12585, 13170, 15365, 16780, 17619, 18438, 23492, 25170, 26340, 29365, 30730, 35238, 36876, 46095, 50340, 58730, 61460, 70476, 88095, 92190, 117460, 176190, 184380, 352380, 368321, 736642, 1104963, 1473284, 1841605, 2209926, 2578247, 3683210, 4419852, 5156494, 5524815, 7366420, 7734741, 10312988, 11049630, 12891235, 15469482, 22099260, 25782470, 30938964, 38673705, 51564940, 77347410, 154694820]

約数ペア:

[(1, 154694820), (2, 77347410), (3, 51564940), (4, 38673705), (5, 30938964), (6, 25782470), (7, 22099260), (10, 15469482), (12, 12891235), (14, 11049630), (15, 10312988), (20, 7734741), (21, 7366420), (28, 5524815), (30, 5156494), (35, 4419852), (42, 3683210), (60, 2578247), (70, 2209926), (84, 1841605), (105, 1473284), (140, 1104963), (210, 736642), (420, 368321), (439, 352380), (839, 184380), (878, 176190), (1317, 117460), (1678, 92190), (1756, 88095), (2195, 70476), (2517, 61460), (2634, 58730), (3073, 50340), (3356, 46095), (4195, 36876), (4390, 35238), (5034, 30730), (5268, 29365), (5873, 26340), (6146, 25170), (6585, 23492), (8390, 18438), (8780, 17619), (9219, 16780), (10068, 15365), (11746, 13170), (12292, 12585)]