27712640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 128

約数和(自身を含む): 72705600

約数和(自身を除く): 44992960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 53, 64, 76, 80, 86, 95, 106, 128, 152, 160, 172, 190, 212, 215, 265, 304, 320, 344, 380, 424, 430, 530, 608, 640, 688, 760, 817, 848, 860, 1007, 1060, 1216, 1376, 1520, 1634, 1696, 1720, 2014, 2120, 2279, 2432, 2752, 3040, 3268, 3392, 3440, 4028, 4085, 4240, 4558, 5035, 5504, 6080, 6536, 6784, 6880, 8056, 8170, 8480, 9116, 10070, 11395, 12160, 13072, 13760, 16112, 16340, 16960, 18232, 20140, 22790, 26144, 27520, 32224, 32680, 33920, 36464, 40280, 43301, 45580, 52288, 64448, 65360, 72928, 80560, 86602, 91160, 104576, 128896, 130720, 145856, 161120, 173204, 182320, 216505, 261440, 291712, 322240, 346408, 364640, 433010, 522880, 644480, 692816, 729280, 866020, 1385632, 1458560, 1732040, 2771264, 3464080, 5542528, 6928160, 13856320, 27712640]

約数ペア:

[(1, 27712640), (2, 13856320), (4, 6928160), (5, 5542528), (8, 3464080), (10, 2771264), (16, 1732040), (19, 1458560), (20, 1385632), (32, 866020), (38, 729280), (40, 692816), (43, 644480), (53, 522880), (64, 433010), (76, 364640), (80, 346408), (86, 322240), (95, 291712), (106, 261440), (128, 216505), (152, 182320), (160, 173204), (172, 161120), (190, 145856), (212, 130720), (215, 128896), (265, 104576), (304, 91160), (320, 86602), (344, 80560), (380, 72928), (424, 65360), (430, 64448), (530, 52288), (608, 45580), (640, 43301), (688, 40280), (760, 36464), (817, 33920), (848, 32680), (860, 32224), (1007, 27520), (1060, 26144), (1216, 22790), (1376, 20140), (1520, 18232), (1634, 16960), (1696, 16340), (1720, 16112), (2014, 13760), (2120, 13072), (2279, 12160), (2432, 11395), (2752, 10070), (3040, 9116), (3268, 8480), (3392, 8170), (3440, 8056), (4028, 6880), (4085, 6784), (4240, 6536), (4558, 6080), (5035, 5504)]