17880960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 58262400

約数和(自身を除く): 40381440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 139, 160, 192, 201, 240, 268, 278, 320, 335, 384, 402, 417, 480, 536, 556, 640, 670, 695, 804, 834, 960, 1005, 1072, 1112, 1340, 1390, 1608, 1668, 1920, 2010, 2085, 2144, 2224, 2680, 2780, 3216, 3336, 4020, 4170, 4288, 4448, 5360, 5560, 6432, 6672, 8040, 8340, 8576, 8896, 9313, 10720, 11120, 12864, 13344, 16080, 16680, 17792, 18626, 21440, 22240, 25728, 26688, 27939, 32160, 33360, 37252, 42880, 44480, 46565, 53376, 55878, 64320, 66720, 74504, 88960, 93130, 111756, 128640, 133440, 139695, 149008, 186260, 223512, 266880, 279390, 298016, 372520, 447024, 558780, 596032, 745040, 894048, 1117560, 1192064, 1490080, 1788096, 2235120, 2980160, 3576192, 4470240, 5960320, 8940480, 17880960]

約数ペア:

[(1, 17880960), (2, 8940480), (3, 5960320), (4, 4470240), (5, 3576192), (6, 2980160), (8, 2235120), (10, 1788096), (12, 1490080), (15, 1192064), (16, 1117560), (20, 894048), (24, 745040), (30, 596032), (32, 558780), (40, 447024), (48, 372520), (60, 298016), (64, 279390), (67, 266880), (80, 223512), (96, 186260), (120, 149008), (128, 139695), (134, 133440), (139, 128640), (160, 111756), (192, 93130), (201, 88960), (240, 74504), (268, 66720), (278, 64320), (320, 55878), (335, 53376), (384, 46565), (402, 44480), (417, 42880), (480, 37252), (536, 33360), (556, 32160), (640, 27939), (670, 26688), (695, 25728), (804, 22240), (834, 21440), (960, 18626), (1005, 17792), (1072, 16680), (1112, 16080), (1340, 13344), (1390, 12864), (1608, 11120), (1668, 10720), (1920, 9313), (2010, 8896), (2085, 8576), (2144, 8340), (2224, 8040), (2680, 6672), (2780, 6432), (3216, 5560), (3336, 5360), (4020, 4448), (4170, 4288)]