64481760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{6397}}^1$

素因数の和:6425

約数の個数: 144

約数和(自身を含む): 251518176

約数和(自身を除く): 187036416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 6397, 10080, 12794, 19191, 25588, 31985, 38382, 44779, 51176, 57573, 63970, 76764, 89558, 95955, 102352, 115146, 127940, 134337, 153528, 179116, 191910, 204704, 223895, 230292, 255880, 268674, 287865, 307056, 358232, 383820, 403011, 447790, 460584, 511760, 537348, 575730, 614112, 671685, 716464, 767640, 806022, 895580, 921168, 1023520, 1074696, 1151460, 1343370, 1432928, 1535280, 1612044, 1791160, 1842336, 2015055, 2149392, 2302920, 2686740, 3070560, 3224088, 3582320, 4030110, 4298784, 4605840, 5373480, 6448176, 7164640, 8060220, 9211680, 10746960, 12896352, 16120440, 21493920, 32240880, 64481760]

約数ペア:

[(1, 64481760), (2, 32240880), (3, 21493920), (4, 16120440), (5, 12896352), (6, 10746960), (7, 9211680), (8, 8060220), (9, 7164640), (10, 6448176), (12, 5373480), (14, 4605840), (15, 4298784), (16, 4030110), (18, 3582320), (20, 3224088), (21, 3070560), (24, 2686740), (28, 2302920), (30, 2149392), (32, 2015055), (35, 1842336), (36, 1791160), (40, 1612044), (42, 1535280), (45, 1432928), (48, 1343370), (56, 1151460), (60, 1074696), (63, 1023520), (70, 921168), (72, 895580), (80, 806022), (84, 767640), (90, 716464), (96, 671685), (105, 614112), (112, 575730), (120, 537348), (126, 511760), (140, 460584), (144, 447790), (160, 403011), (168, 383820), (180, 358232), (210, 307056), (224, 287865), (240, 268674), (252, 255880), (280, 230292), (288, 223895), (315, 204704), (336, 191910), (360, 179116), (420, 153528), (480, 134337), (504, 127940), (560, 115146), (630, 102352), (672, 95955), (720, 89558), (840, 76764), (1008, 63970), (1120, 57573), (1260, 51176), (1440, 44779), (1680, 38382), (2016, 31985), (2520, 25588), (3360, 19191), (5040, 12794), (6397, 10080)]