81670320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1693}}^1$

素因数の和:1779

約数の個数: 120

約数和(自身を含む): 278534256

約数和(自身を除く): 196863936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 90, 120, 134, 144, 180, 201, 240, 268, 335, 360, 402, 536, 603, 670, 720, 804, 1005, 1072, 1206, 1340, 1608, 1693, 2010, 2412, 2680, 3015, 3216, 3386, 4020, 4824, 5079, 5360, 6030, 6772, 8040, 8465, 9648, 10158, 12060, 13544, 15237, 16080, 16930, 20316, 24120, 25395, 27088, 30474, 33860, 40632, 48240, 50790, 60948, 67720, 76185, 81264, 101580, 113431, 121896, 135440, 152370, 203160, 226862, 243792, 304740, 340293, 406320, 453724, 567155, 609480, 680586, 907448, 1020879, 1134310, 1218960, 1361172, 1701465, 1814896, 2041758, 2268620, 2722344, 3402930, 4083516, 4537240, 5104395, 5444688, 6805860, 8167032, 9074480, 10208790, 13611720, 16334064, 20417580, 27223440, 40835160, 81670320]

約数ペア:

[(1, 81670320), (2, 40835160), (3, 27223440), (4, 20417580), (5, 16334064), (6, 13611720), (8, 10208790), (9, 9074480), (10, 8167032), (12, 6805860), (15, 5444688), (16, 5104395), (18, 4537240), (20, 4083516), (24, 3402930), (30, 2722344), (36, 2268620), (40, 2041758), (45, 1814896), (48, 1701465), (60, 1361172), (67, 1218960), (72, 1134310), (80, 1020879), (90, 907448), (120, 680586), (134, 609480), (144, 567155), (180, 453724), (201, 406320), (240, 340293), (268, 304740), (335, 243792), (360, 226862), (402, 203160), (536, 152370), (603, 135440), (670, 121896), (720, 113431), (804, 101580), (1005, 81264), (1072, 76185), (1206, 67720), (1340, 60948), (1608, 50790), (1693, 48240), (2010, 40632), (2412, 33860), (2680, 30474), (3015, 27088), (3216, 25395), (3386, 24120), (4020, 20316), (4824, 16930), (5079, 16080), (5360, 15237), (6030, 13544), (6772, 12060), (8040, 10158), (8465, 9648)]