219680239360

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1574543}}^1$

素因数の和:1574673

約数の個数: 72

約数和(自身を含む): 531030709440

約数和(自身を除く): 311350470080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 545, 640, 872, 1090, 1280, 1744, 2180, 3488, 4360, 6976, 8720, 13952, 17440, 27904, 34880, 69760, 139520, 1574543, 3149086, 6298172, 7872715, 12596344, 15745430, 25192688, 31490860, 50385376, 62981720, 100770752, 125963440, 171625187, 201541504, 251926880, 343250374, 403083008, 503853760, 686500748, 858125935, 1007707520, 1373001496, 1716251870, 2015415040, 2746002992, 3432503740, 5492005984, 6865007480, 10984011968, 13730014960, 21968023936, 27460029920, 43936047872, 54920059840, 109840119680, 219680239360]

約数ペア:

[(1, 219680239360), (2, 109840119680), (4, 54920059840), (5, 43936047872), (8, 27460029920), (10, 21968023936), (16, 13730014960), (20, 10984011968), (32, 6865007480), (40, 5492005984), (64, 3432503740), (80, 2746002992), (109, 2015415040), (128, 1716251870), (160, 1373001496), (218, 1007707520), (256, 858125935), (320, 686500748), (436, 503853760), (545, 403083008), (640, 343250374), (872, 251926880), (1090, 201541504), (1280, 171625187), (1744, 125963440), (2180, 100770752), (3488, 62981720), (4360, 50385376), (6976, 31490860), (8720, 25192688), (13952, 15745430), (17440, 12596344), (27904, 7872715), (34880, 6298172), (69760, 3149086), (139520, 1574543)]