78466640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:605

約数の個数: 120

約数和(自身を含む): 218358792

約数和(自身を除く): 139892152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 541, 560, 592, 740, 784, 980, 1036, 1082, 1295, 1480, 1813, 1960, 2072, 2164, 2590, 2705, 2960, 3626, 3787, 3920, 4144, 4328, 5180, 5410, 7252, 7574, 8656, 9065, 10360, 10820, 14504, 15148, 18130, 18935, 20017, 20720, 21640, 26509, 29008, 30296, 36260, 37870, 40034, 43280, 53018, 60592, 72520, 75740, 80068, 100085, 106036, 132545, 140119, 145040, 151480, 160136, 200170, 212072, 265090, 280238, 302960, 320272, 400340, 424144, 530180, 560476, 700595, 800680, 980833, 1060360, 1120952, 1401190, 1601360, 1961666, 2120720, 2241904, 2802380, 3923332, 4904165, 5604760, 7846664, 9808330, 11209520, 15693328, 19616660, 39233320, 78466640]

約数ペア:

[(1, 78466640), (2, 39233320), (4, 19616660), (5, 15693328), (7, 11209520), (8, 9808330), (10, 7846664), (14, 5604760), (16, 4904165), (20, 3923332), (28, 2802380), (35, 2241904), (37, 2120720), (40, 1961666), (49, 1601360), (56, 1401190), (70, 1120952), (74, 1060360), (80, 980833), (98, 800680), (112, 700595), (140, 560476), (148, 530180), (185, 424144), (196, 400340), (245, 320272), (259, 302960), (280, 280238), (296, 265090), (370, 212072), (392, 200170), (490, 160136), (518, 151480), (541, 145040), (560, 140119), (592, 132545), (740, 106036), (784, 100085), (980, 80068), (1036, 75740), (1082, 72520), (1295, 60592), (1480, 53018), (1813, 43280), (1960, 40034), (2072, 37870), (2164, 36260), (2590, 30296), (2705, 29008), (2960, 26509), (3626, 21640), (3787, 20720), (3920, 20017), (4144, 18935), (4328, 18130), (5180, 15148), (5410, 14504), (7252, 10820), (7574, 10360), (8656, 9065)]