281796640

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:450

約数の個数: 96

約数和(自身を含む): 685165824

約数和(自身を除く): 403369184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 97, 134, 160, 194, 268, 271, 335, 388, 485, 536, 542, 670, 776, 970, 1072, 1084, 1340, 1355, 1552, 1940, 2144, 2168, 2680, 2710, 3104, 3880, 4336, 5360, 5420, 6499, 7760, 8672, 10720, 10840, 12998, 15520, 18157, 21680, 25996, 26287, 32495, 36314, 43360, 51992, 52574, 64990, 72628, 90785, 103984, 105148, 129980, 131435, 145256, 181570, 207968, 210296, 259960, 262870, 290512, 363140, 420592, 519920, 525740, 581024, 726280, 841184, 1039840, 1051480, 1452560, 1761229, 2102960, 2905120, 3522458, 4205920, 7044916, 8806145, 14089832, 17612290, 28179664, 35224580, 56359328, 70449160, 140898320, 281796640]

約数ペア:

[(1, 281796640), (2, 140898320), (4, 70449160), (5, 56359328), (8, 35224580), (10, 28179664), (16, 17612290), (20, 14089832), (32, 8806145), (40, 7044916), (67, 4205920), (80, 3522458), (97, 2905120), (134, 2102960), (160, 1761229), (194, 1452560), (268, 1051480), (271, 1039840), (335, 841184), (388, 726280), (485, 581024), (536, 525740), (542, 519920), (670, 420592), (776, 363140), (970, 290512), (1072, 262870), (1084, 259960), (1340, 210296), (1355, 207968), (1552, 181570), (1940, 145256), (2144, 131435), (2168, 129980), (2680, 105148), (2710, 103984), (3104, 90785), (3880, 72628), (4336, 64990), (5360, 52574), (5420, 51992), (6499, 43360), (7760, 36314), (8672, 32495), (10720, 26287), (10840, 25996), (12998, 21680), (15520, 18157)]