66986880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:412

約数の個数: 128

約数和(自身を含む): 215913600

約数和(自身を除く): 148926720

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, 128, 139, 160, 192, 240, 251, 278, 320, 384, 417, 480, 502, 556, 640, 695, 753, 834, 960, 1004, 1112, 1255, 1390, 1506, 1668, 1920, 2008, 2085, 2224, 2510, 2780, 3012, 3336, 3765, 4016, 4170, 4448, 5020, 5560, 6024, 6672, 7530, 8032, 8340, 8896, 10040, 11120, 12048, 13344, 15060, 16064, 16680, 17792, 20080, 22240, 24096, 26688, 30120, 32128, 33360, 34889, 40160, 44480, 48192, 53376, 60240, 66720, 69778, 80320, 88960, 96384, 104667, 120480, 133440, 139556, 160640, 174445, 209334, 240960, 266880, 279112, 348890, 418668, 481920, 523335, 558224, 697780, 837336, 1046670, 1116448, 1395560, 1674672, 2093340, 2232896, 2791120, 3349344, 4186680, 4465792, 5582240, 6698688, 8373360, 11164480, 13397376, 16746720, 22328960, 33493440, 66986880]

約数ペア:

[(1, 66986880), (2, 33493440), (3, 22328960), (4, 16746720), (5, 13397376), (6, 11164480), (8, 8373360), (10, 6698688), (12, 5582240), (15, 4465792), (16, 4186680), (20, 3349344), (24, 2791120), (30, 2232896), (32, 2093340), (40, 1674672), (48, 1395560), (60, 1116448), (64, 1046670), (80, 837336), (96, 697780), (120, 558224), (128, 523335), (139, 481920), (160, 418668), (192, 348890), (240, 279112), (251, 266880), (278, 240960), (320, 209334), (384, 174445), (417, 160640), (480, 139556), (502, 133440), (556, 120480), (640, 104667), (695, 96384), (753, 88960), (834, 80320), (960, 69778), (1004, 66720), (1112, 60240), (1255, 53376), (1390, 48192), (1506, 44480), (1668, 40160), (1920, 34889), (2008, 33360), (2085, 32128), (2224, 30120), (2510, 26688), (2780, 24096), (3012, 22240), (3336, 20080), (3765, 17792), (4016, 16680), (4170, 16064), (4448, 15060), (5020, 13344), (5560, 12048), (6024, 11120), (6672, 10040), (7530, 8896), (8032, 8340)]