155365840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{659}}^1$

素因数の和:1100

約数の個数: 80

約数和(自身を含む): 414437760

約数和(自身を除く): 259071920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 421, 560, 659, 842, 1318, 1684, 2105, 2636, 2947, 3295, 3368, 4210, 4613, 5272, 5894, 6590, 6736, 8420, 9226, 10544, 11788, 13180, 14735, 16840, 18452, 23065, 23576, 26360, 29470, 33680, 36904, 46130, 47152, 52720, 58940, 73808, 92260, 117880, 184520, 235760, 277439, 369040, 554878, 1109756, 1387195, 1942073, 2219512, 2774390, 3884146, 4439024, 5548780, 7768292, 9710365, 11097560, 15536584, 19420730, 22195120, 31073168, 38841460, 77682920, 155365840]

約数ペア:

[(1, 155365840), (2, 77682920), (4, 38841460), (5, 31073168), (7, 22195120), (8, 19420730), (10, 15536584), (14, 11097560), (16, 9710365), (20, 7768292), (28, 5548780), (35, 4439024), (40, 3884146), (56, 2774390), (70, 2219512), (80, 1942073), (112, 1387195), (140, 1109756), (280, 554878), (421, 369040), (560, 277439), (659, 235760), (842, 184520), (1318, 117880), (1684, 92260), (2105, 73808), (2636, 58940), (2947, 52720), (3295, 47152), (3368, 46130), (4210, 36904), (4613, 33680), (5272, 29470), (5894, 26360), (6590, 23576), (6736, 23065), (8420, 18452), (9226, 16840), (10544, 14735), (11788, 13180)]