75981640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271363}}^1$

素因数の和:271381

約数の個数: 32

約数和(自身を含む): 195382080

約数和(自身を除く): 119400440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 271363, 542726, 1085452, 1356815, 1899541, 2170904, 2713630, 3799082, 5427260, 7598164, 9497705, 10854520, 15196328, 18995410, 37990820, 75981640]

約数ペア:

[(1, 75981640), (2, 37990820), (4, 18995410), (5, 15196328), (7, 10854520), (8, 9497705), (10, 7598164), (14, 5427260), (20, 3799082), (28, 2713630), (35, 2170904), (40, 1899541), (56, 1356815), (70, 1085452), (140, 542726), (280, 271363)]