117440640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{20389}}^1$

素因数の和:20414

約数の個数: 96

約数和(自身を含む): 405557100

約数和(自身を除く): 288116460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 20389, 40778, 61167, 81556, 101945, 122334, 163112, 183501, 203890, 244668, 305835, 326224, 367002, 407780, 489336, 611670, 652448, 734004, 815560, 917505, 978672, 1223340, 1304896, 1468008, 1631120, 1835010, 1957344, 2446680, 2609792, 2936016, 3262240, 3670020, 3914688, 4893360, 5872032, 6524480, 7340040, 7829376, 9786720, 11744064, 13048960, 14680080, 19573440, 23488128, 29360160, 39146880, 58720320, 117440640]

約数ペア:

[(1, 117440640), (2, 58720320), (3, 39146880), (4, 29360160), (5, 23488128), (6, 19573440), (8, 14680080), (9, 13048960), (10, 11744064), (12, 9786720), (15, 7829376), (16, 7340040), (18, 6524480), (20, 5872032), (24, 4893360), (30, 3914688), (32, 3670020), (36, 3262240), (40, 2936016), (45, 2609792), (48, 2446680), (60, 1957344), (64, 1835010), (72, 1631120), (80, 1468008), (90, 1304896), (96, 1223340), (120, 978672), (128, 917505), (144, 815560), (160, 734004), (180, 652448), (192, 611670), (240, 489336), (288, 407780), (320, 367002), (360, 326224), (384, 305835), (480, 244668), (576, 203890), (640, 183501), (720, 163112), (960, 122334), (1152, 101945), (1440, 81556), (1920, 61167), (2880, 40778), (5760, 20389)]