66784240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{829}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 166730400

約数和(自身を除く): 99946160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 53, 76, 80, 95, 106, 152, 190, 212, 265, 304, 380, 424, 530, 760, 829, 848, 1007, 1060, 1520, 1658, 2014, 2120, 3316, 4028, 4145, 4240, 5035, 6632, 8056, 8290, 10070, 13264, 15751, 16112, 16580, 20140, 31502, 33160, 40280, 43937, 63004, 66320, 78755, 80560, 87874, 126008, 157510, 175748, 219685, 252016, 315020, 351496, 439370, 630040, 702992, 834803, 878740, 1260080, 1669606, 1757480, 3339212, 3514960, 4174015, 6678424, 8348030, 13356848, 16696060, 33392120, 66784240]

約数ペア:

[(1, 66784240), (2, 33392120), (4, 16696060), (5, 13356848), (8, 8348030), (10, 6678424), (16, 4174015), (19, 3514960), (20, 3339212), (38, 1757480), (40, 1669606), (53, 1260080), (76, 878740), (80, 834803), (95, 702992), (106, 630040), (152, 439370), (190, 351496), (212, 315020), (265, 252016), (304, 219685), (380, 175748), (424, 157510), (530, 126008), (760, 87874), (829, 80560), (848, 78755), (1007, 66320), (1060, 63004), (1520, 43937), (1658, 40280), (2014, 33160), (2120, 31502), (3316, 20140), (4028, 16580), (4145, 16112), (4240, 15751), (5035, 13264), (6632, 10070), (8056, 8290)]