81442560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 263725056

約数和(自身を除く): 182282496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 167, 192, 240, 254, 256, 320, 334, 381, 384, 480, 501, 508, 635, 640, 668, 762, 768, 835, 960, 1002, 1016, 1270, 1280, 1336, 1524, 1670, 1905, 1920, 2004, 2032, 2505, 2540, 2672, 3048, 3340, 3810, 3840, 4008, 4064, 5010, 5080, 5344, 6096, 6680, 7620, 8016, 8128, 10020, 10160, 10688, 12192, 13360, 15240, 16032, 16256, 20040, 20320, 21209, 21376, 24384, 26720, 30480, 32064, 32512, 40080, 40640, 42418, 42752, 48768, 53440, 60960, 63627, 64128, 80160, 81280, 84836, 97536, 106045, 106880, 121920, 127254, 128256, 160320, 162560, 169672, 212090, 213760, 243840, 254508, 318135, 320640, 339344, 424180, 487680, 509016, 636270, 641280, 678688, 848360, 1018032, 1272540, 1357376, 1696720, 2036064, 2545080, 2714752, 3393440, 4072128, 5090160, 5429504, 6786880, 8144256, 10180320, 13573760, 16288512, 20360640, 27147520, 40721280, 81442560]

約数ペア:

[(1, 81442560), (2, 40721280), (3, 27147520), (4, 20360640), (5, 16288512), (6, 13573760), (8, 10180320), (10, 8144256), (12, 6786880), (15, 5429504), (16, 5090160), (20, 4072128), (24, 3393440), (30, 2714752), (32, 2545080), (40, 2036064), (48, 1696720), (60, 1357376), (64, 1272540), (80, 1018032), (96, 848360), (120, 678688), (127, 641280), (128, 636270), (160, 509016), (167, 487680), (192, 424180), (240, 339344), (254, 320640), (256, 318135), (320, 254508), (334, 243840), (381, 213760), (384, 212090), (480, 169672), (501, 162560), (508, 160320), (635, 128256), (640, 127254), (668, 121920), (762, 106880), (768, 106045), (835, 97536), (960, 84836), (1002, 81280), (1016, 80160), (1270, 64128), (1280, 63627), (1336, 60960), (1524, 53440), (1670, 48768), (1905, 42752), (1920, 42418), (2004, 40640), (2032, 40080), (2505, 32512), (2540, 32064), (2672, 30480), (3048, 26720), (3340, 24384), (3810, 21376), (3840, 21209), (4008, 20320), (4064, 20040), (5010, 16256), (5080, 16032), (5344, 15240), (6096, 13360), (6680, 12192), (7620, 10688), (8016, 10160), (8128, 10020)]