308907520

素因数分解:

$2^9\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1801}}^1$

素因数の和:1891

約数の個数: 80

約数和(自身を含む): 752125968

約数和(自身を除く): 443218448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 512, 536, 640, 670, 1072, 1280, 1340, 1801, 2144, 2560, 2680, 3602, 4288, 5360, 7204, 8576, 9005, 10720, 14408, 17152, 18010, 21440, 28816, 34304, 36020, 42880, 57632, 72040, 85760, 115264, 120667, 144080, 171520, 230528, 241334, 288160, 461056, 482668, 576320, 603335, 922112, 965336, 1152640, 1206670, 1930672, 2305280, 2413340, 3861344, 4610560, 4826680, 7722688, 9653360, 15445376, 19306720, 30890752, 38613440, 61781504, 77226880, 154453760, 308907520]

約数ペア:

[(1, 308907520), (2, 154453760), (4, 77226880), (5, 61781504), (8, 38613440), (10, 30890752), (16, 19306720), (20, 15445376), (32, 9653360), (40, 7722688), (64, 4826680), (67, 4610560), (80, 3861344), (128, 2413340), (134, 2305280), (160, 1930672), (256, 1206670), (268, 1152640), (320, 965336), (335, 922112), (512, 603335), (536, 576320), (640, 482668), (670, 461056), (1072, 288160), (1280, 241334), (1340, 230528), (1801, 171520), (2144, 144080), (2560, 120667), (2680, 115264), (3602, 85760), (4288, 72040), (5360, 57632), (7204, 42880), (8576, 36020), (9005, 34304), (10720, 28816), (14408, 21440), (17152, 18010)]