252557440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 647740800

約数和(自身を除く): 395183360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 139, 160, 167, 170, 272, 278, 320, 334, 340, 544, 556, 640, 668, 680, 695, 835, 1088, 1112, 1336, 1360, 1390, 1670, 2176, 2224, 2363, 2672, 2720, 2780, 2839, 3340, 4448, 4726, 5344, 5440, 5560, 5678, 6680, 8896, 9452, 10688, 10880, 11120, 11356, 11815, 13360, 14195, 17792, 18904, 21376, 22240, 22712, 23213, 23630, 26720, 28390, 37808, 44480, 45424, 46426, 47260, 53440, 56780, 75616, 88960, 90848, 92852, 94520, 106880, 113560, 116065, 151232, 181696, 185704, 189040, 227120, 232130, 302464, 363392, 371408, 378080, 394621, 454240, 464260, 742816, 756160, 789242, 908480, 928520, 1485632, 1512320, 1578484, 1816960, 1857040, 1973105, 2971264, 3156968, 3714080, 3946210, 6313936, 7428160, 7892420, 12627872, 14856320, 15784840, 25255744, 31569680, 50511488, 63139360, 126278720, 252557440]

約数ペア:

[(1, 252557440), (2, 126278720), (4, 63139360), (5, 50511488), (8, 31569680), (10, 25255744), (16, 15784840), (17, 14856320), (20, 12627872), (32, 7892420), (34, 7428160), (40, 6313936), (64, 3946210), (68, 3714080), (80, 3156968), (85, 2971264), (128, 1973105), (136, 1857040), (139, 1816960), (160, 1578484), (167, 1512320), (170, 1485632), (272, 928520), (278, 908480), (320, 789242), (334, 756160), (340, 742816), (544, 464260), (556, 454240), (640, 394621), (668, 378080), (680, 371408), (695, 363392), (835, 302464), (1088, 232130), (1112, 227120), (1336, 189040), (1360, 185704), (1390, 181696), (1670, 151232), (2176, 116065), (2224, 113560), (2363, 106880), (2672, 94520), (2720, 92852), (2780, 90848), (2839, 88960), (3340, 75616), (4448, 56780), (4726, 53440), (5344, 47260), (5440, 46426), (5560, 45424), (5678, 44480), (6680, 37808), (8896, 28390), (9452, 26720), (10688, 23630), (10880, 23213), (11120, 22712), (11356, 22240), (11815, 21376), (13360, 18904), (14195, 17792)]