217951680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9871}}^1$

素因数の和:9914

約数の個数: 112

約数和(自身を含む): 722156544

約数和(自身を除く): 504204864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 552, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 2208, 2760, 3680, 4416, 5520, 7360, 9871, 11040, 19742, 22080, 29613, 39484, 49355, 59226, 78968, 98710, 118452, 148065, 157936, 197420, 227033, 236904, 296130, 315872, 394840, 454066, 473808, 592260, 631744, 681099, 789680, 908132, 947616, 1135165, 1184520, 1362198, 1579360, 1816264, 1895232, 2270330, 2369040, 2724396, 3158720, 3405495, 3632528, 4540660, 4738080, 5448792, 6810990, 7265056, 9081320, 9476160, 10897584, 13621980, 14530112, 18162640, 21795168, 27243960, 36325280, 43590336, 54487920, 72650560, 108975840, 217951680]

約数ペア:

[(1, 217951680), (2, 108975840), (3, 72650560), (4, 54487920), (5, 43590336), (6, 36325280), (8, 27243960), (10, 21795168), (12, 18162640), (15, 14530112), (16, 13621980), (20, 10897584), (23, 9476160), (24, 9081320), (30, 7265056), (32, 6810990), (40, 5448792), (46, 4738080), (48, 4540660), (60, 3632528), (64, 3405495), (69, 3158720), (80, 2724396), (92, 2369040), (96, 2270330), (115, 1895232), (120, 1816264), (138, 1579360), (160, 1362198), (184, 1184520), (192, 1135165), (230, 947616), (240, 908132), (276, 789680), (320, 681099), (345, 631744), (368, 592260), (460, 473808), (480, 454066), (552, 394840), (690, 315872), (736, 296130), (920, 236904), (960, 227033), (1104, 197420), (1380, 157936), (1472, 148065), (1840, 118452), (2208, 98710), (2760, 78968), (3680, 59226), (4416, 49355), (5520, 39484), (7360, 29613), (9871, 22080), (11040, 19742)]