145040

素因数分解:

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

素因数の和:64

約数の個数: 60

約数和(自身を含む): 402876

約数和(自身を除く): 257836

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, 560, 592, 740, 784, 980, 1036, 1295, 1480, 1813, 1960, 2072, 2590, 2960, 3626, 3920, 4144, 5180, 7252, 9065, 10360, 14504, 18130, 20720, 29008, 36260, 72520, 145040]

約数ペア:

[(1, 145040), (2, 72520), (4, 36260), (5, 29008), (7, 20720), (8, 18130), (10, 14504), (14, 10360), (16, 9065), (20, 7252), (28, 5180), (35, 4144), (37, 3920), (40, 3626), (49, 2960), (56, 2590), (70, 2072), (74, 1960), (80, 1813), (98, 1480), (112, 1295), (140, 1036), (148, 980), (185, 784), (196, 740), (245, 592), (259, 560), (280, 518), (296, 490), (370, 392)]