1281928284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1559}}^1$

素因数の和:1840

約数の個数: 144

約数和(自身を含む): 4006679040

約数和(自身を除く): 2724750756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 251, 252, 273, 364, 468, 502, 546, 753, 819, 1004, 1092, 1506, 1559, 1638, 1757, 2259, 3012, 3118, 3263, 3276, 3514, 4518, 4677, 5271, 6236, 6526, 7028, 9036, 9354, 9789, 10542, 10913, 13052, 14031, 15813, 18708, 19578, 20267, 21084, 21826, 22841, 28062, 29367, 31626, 32739, 39156, 40534, 43652, 45682, 56124, 58734, 60801, 63252, 65478, 68523, 81068, 91364, 98217, 117468, 121602, 130956, 137046, 141869, 182403, 196434, 205569, 243204, 274092, 283738, 364806, 391309, 392868, 411138, 425607, 567476, 729612, 782618, 822276, 851214, 1173927, 1276821, 1565236, 1702428, 2347854, 2553642, 2739163, 3521781, 4695708, 5087017, 5107284, 5478326, 7043562, 8217489, 10174034, 10956652, 14087124, 15261051, 16434978, 20348068, 24652467, 30522102, 32869956, 35609119, 45783153, 49304934, 61044204, 71218238, 91566306, 98609868, 106827357, 142436476, 183132612, 213654714, 320482071, 427309428, 640964142, 1281928284]

約数ペア:

[(1, 1281928284), (2, 640964142), (3, 427309428), (4, 320482071), (6, 213654714), (7, 183132612), (9, 142436476), (12, 106827357), (13, 98609868), (14, 91566306), (18, 71218238), (21, 61044204), (26, 49304934), (28, 45783153), (36, 35609119), (39, 32869956), (42, 30522102), (52, 24652467), (63, 20348068), (78, 16434978), (84, 15261051), (91, 14087124), (117, 10956652), (126, 10174034), (156, 8217489), (182, 7043562), (234, 5478326), (251, 5107284), (252, 5087017), (273, 4695708), (364, 3521781), (468, 2739163), (502, 2553642), (546, 2347854), (753, 1702428), (819, 1565236), (1004, 1276821), (1092, 1173927), (1506, 851214), (1559, 822276), (1638, 782618), (1757, 729612), (2259, 567476), (3012, 425607), (3118, 411138), (3263, 392868), (3276, 391309), (3514, 364806), (4518, 283738), (4677, 274092), (5271, 243204), (6236, 205569), (6526, 196434), (7028, 182403), (9036, 141869), (9354, 137046), (9789, 130956), (10542, 121602), (10913, 117468), (13052, 98217), (14031, 91364), (15813, 81068), (18708, 68523), (19578, 65478), (20267, 63252), (21084, 60801), (21826, 58734), (22841, 56124), (28062, 45682), (29367, 43652), (31626, 40534), (32739, 39156)]