66887680

素因数分解:

$2^{13}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 112

約数和(自身を含む): 169858944

約数和(自身を除く): 102971264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 71, 80, 92, 115, 128, 142, 160, 184, 230, 256, 284, 320, 355, 368, 460, 512, 568, 640, 710, 736, 920, 1024, 1136, 1280, 1420, 1472, 1633, 1840, 2048, 2272, 2560, 2840, 2944, 3266, 3680, 4096, 4544, 5120, 5680, 5888, 6532, 7360, 8165, 8192, 9088, 10240, 11360, 11776, 13064, 14720, 16330, 18176, 20480, 22720, 23552, 26128, 29440, 32660, 36352, 40960, 45440, 47104, 52256, 58880, 65320, 72704, 90880, 94208, 104512, 117760, 130640, 145408, 181760, 188416, 209024, 235520, 261280, 290816, 363520, 418048, 471040, 522560, 581632, 727040, 836096, 942080, 1045120, 1454080, 1672192, 2090240, 2908160, 3344384, 4180480, 6688768, 8360960, 13377536, 16721920, 33443840, 66887680]

約数ペア:

[(1, 66887680), (2, 33443840), (4, 16721920), (5, 13377536), (8, 8360960), (10, 6688768), (16, 4180480), (20, 3344384), (23, 2908160), (32, 2090240), (40, 1672192), (46, 1454080), (64, 1045120), (71, 942080), (80, 836096), (92, 727040), (115, 581632), (128, 522560), (142, 471040), (160, 418048), (184, 363520), (230, 290816), (256, 261280), (284, 235520), (320, 209024), (355, 188416), (368, 181760), (460, 145408), (512, 130640), (568, 117760), (640, 104512), (710, 94208), (736, 90880), (920, 72704), (1024, 65320), (1136, 58880), (1280, 52256), (1420, 47104), (1472, 45440), (1633, 40960), (1840, 36352), (2048, 32660), (2272, 29440), (2560, 26128), (2840, 23552), (2944, 22720), (3266, 20480), (3680, 18176), (4096, 16330), (4544, 14720), (5120, 13064), (5680, 11776), (5888, 11360), (6532, 10240), (7360, 9088), (8165, 8192)]