644460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 1886976

約数和(自身を除く): 1242516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 467, 690, 934, 1380, 1401, 1868, 2335, 2802, 4670, 5604, 7005, 9340, 10741, 14010, 21482, 28020, 32223, 42964, 53705, 64446, 107410, 128892, 161115, 214820, 322230, 644460]

約数ペア:

[(1, 644460), (2, 322230), (3, 214820), (4, 161115), (5, 128892), (6, 107410), (10, 64446), (12, 53705), (15, 42964), (20, 32223), (23, 28020), (30, 21482), (46, 14010), (60, 10741), (69, 9340), (92, 7005), (115, 5604), (138, 4670), (230, 2802), (276, 2335), (345, 1868), (460, 1401), (467, 1380), (690, 934)]