765040

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 40

約数和(自身を含む): 1816848

約数和(自身を除く): 1051808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 131, 146, 262, 292, 365, 524, 584, 655, 730, 1048, 1168, 1310, 1460, 2096, 2620, 2920, 5240, 5840, 9563, 10480, 19126, 38252, 47815, 76504, 95630, 153008, 191260, 382520, 765040]

約数ペア:

[(1, 765040), (2, 382520), (4, 191260), (5, 153008), (8, 95630), (10, 76504), (16, 47815), (20, 38252), (40, 19126), (73, 10480), (80, 9563), (131, 5840), (146, 5240), (262, 2920), (292, 2620), (365, 2096), (524, 1460), (584, 1310), (655, 1168), (730, 1048)]