215689040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{385159}}^1$

素因数の和:385179

約数の個数: 40

約数和(自身を含む): 573118080

約数和(自身を除く): 357429040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 385159, 770318, 1540636, 1925795, 2696113, 3081272, 3851590, 5392226, 6162544, 7703180, 10784452, 13480565, 15406360, 21568904, 26961130, 30812720, 43137808, 53922260, 107844520, 215689040]

約数ペア:

[(1, 215689040), (2, 107844520), (4, 53922260), (5, 43137808), (7, 30812720), (8, 26961130), (10, 21568904), (14, 15406360), (16, 13480565), (20, 10784452), (28, 7703180), (35, 6162544), (40, 5392226), (56, 3851590), (70, 3081272), (80, 2696113), (112, 1925795), (140, 1540636), (280, 770318), (560, 385159)]