155865920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:640

約数の個数: 112

約数和(自身を含む): 427939200

約数和(自身を除く): 272073280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 149, 160, 224, 280, 298, 320, 448, 467, 560, 596, 745, 934, 1043, 1120, 1192, 1490, 1868, 2086, 2240, 2335, 2384, 2980, 3269, 3736, 4172, 4670, 4768, 5215, 5960, 6538, 7472, 8344, 9340, 9536, 10430, 11920, 13076, 14944, 16345, 16688, 18680, 20860, 23840, 26152, 29888, 32690, 33376, 37360, 41720, 47680, 52304, 65380, 66752, 69583, 74720, 83440, 104608, 130760, 139166, 149440, 166880, 209216, 261520, 278332, 333760, 347915, 487081, 523040, 556664, 695830, 974162, 1046080, 1113328, 1391660, 1948324, 2226656, 2435405, 2783320, 3896648, 4453312, 4870810, 5566640, 7793296, 9741620, 11133280, 15586592, 19483240, 22266560, 31173184, 38966480, 77932960, 155865920]

約数ペア:

[(1, 155865920), (2, 77932960), (4, 38966480), (5, 31173184), (7, 22266560), (8, 19483240), (10, 15586592), (14, 11133280), (16, 9741620), (20, 7793296), (28, 5566640), (32, 4870810), (35, 4453312), (40, 3896648), (56, 2783320), (64, 2435405), (70, 2226656), (80, 1948324), (112, 1391660), (140, 1113328), (149, 1046080), (160, 974162), (224, 695830), (280, 556664), (298, 523040), (320, 487081), (448, 347915), (467, 333760), (560, 278332), (596, 261520), (745, 209216), (934, 166880), (1043, 149440), (1120, 139166), (1192, 130760), (1490, 104608), (1868, 83440), (2086, 74720), (2240, 69583), (2335, 66752), (2384, 65380), (2980, 52304), (3269, 47680), (3736, 41720), (4172, 37360), (4670, 33376), (4768, 32690), (5215, 29888), (5960, 26152), (6538, 23840), (7472, 20860), (8344, 18680), (9340, 16688), (9536, 16345), (10430, 14944), (11920, 13076)]