72543520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:535

約数の個数: 144

約数和(自身を含む): 210288960

約数和(自身を除く): 137745440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 487, 490, 532, 560, 608, 665, 760, 784, 931, 974, 980, 1064, 1120, 1330, 1520, 1568, 1862, 1948, 1960, 2128, 2435, 2660, 3040, 3409, 3724, 3896, 3920, 4256, 4655, 4870, 5320, 6818, 7448, 7792, 7840, 9253, 9310, 9740, 10640, 13636, 14896, 15584, 17045, 18506, 18620, 19480, 21280, 23863, 27272, 29792, 34090, 37012, 37240, 38960, 46265, 47726, 54544, 64771, 68180, 74024, 74480, 77920, 92530, 95452, 109088, 119315, 129542, 136360, 148048, 148960, 185060, 190904, 238630, 259084, 272720, 296096, 323855, 370120, 381808, 453397, 477260, 518168, 545440, 647710, 740240, 763616, 906794, 954520, 1036336, 1295420, 1480480, 1813588, 1909040, 2072672, 2266985, 2590840, 3627176, 3818080, 4533970, 5181680, 7254352, 9067940, 10363360, 14508704, 18135880, 36271760, 72543520]

約数ペア:

[(1, 72543520), (2, 36271760), (4, 18135880), (5, 14508704), (7, 10363360), (8, 9067940), (10, 7254352), (14, 5181680), (16, 4533970), (19, 3818080), (20, 3627176), (28, 2590840), (32, 2266985), (35, 2072672), (38, 1909040), (40, 1813588), (49, 1480480), (56, 1295420), (70, 1036336), (76, 954520), (80, 906794), (95, 763616), (98, 740240), (112, 647710), (133, 545440), (140, 518168), (152, 477260), (160, 453397), (190, 381808), (196, 370120), (224, 323855), (245, 296096), (266, 272720), (280, 259084), (304, 238630), (380, 190904), (392, 185060), (487, 148960), (490, 148048), (532, 136360), (560, 129542), (608, 119315), (665, 109088), (760, 95452), (784, 92530), (931, 77920), (974, 74480), (980, 74024), (1064, 68180), (1120, 64771), (1330, 54544), (1520, 47726), (1568, 46265), (1862, 38960), (1948, 37240), (1960, 37012), (2128, 34090), (2435, 29792), (2660, 27272), (3040, 23863), (3409, 21280), (3724, 19480), (3896, 18620), (3920, 18506), (4256, 17045), (4655, 15584), (4870, 14896), (5320, 13636), (6818, 10640), (7448, 9740), (7792, 9310), (7840, 9253)]