31723720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{827}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 82270080

約数和(自身を除く): 50546360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 827, 959, 1096, 1370, 1654, 1918, 2740, 3308, 3836, 4135, 4795, 5480, 5789, 6616, 7672, 8270, 9590, 11578, 16540, 19180, 23156, 28945, 33080, 38360, 46312, 57890, 113299, 115780, 226598, 231560, 453196, 566495, 793093, 906392, 1132990, 1586186, 2265980, 3172372, 3965465, 4531960, 6344744, 7930930, 15861860, 31723720]

約数ペア:

[(1, 31723720), (2, 15861860), (4, 7930930), (5, 6344744), (7, 4531960), (8, 3965465), (10, 3172372), (14, 2265980), (20, 1586186), (28, 1132990), (35, 906392), (40, 793093), (56, 566495), (70, 453196), (137, 231560), (140, 226598), (274, 115780), (280, 113299), (548, 57890), (685, 46312), (827, 38360), (959, 33080), (1096, 28945), (1370, 23156), (1654, 19180), (1918, 16540), (2740, 11578), (3308, 9590), (3836, 8270), (4135, 7672), (4795, 6616), (5480, 5789)]