1288920

素因数分解:

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

素因数の和:504

約数の個数: 64

約数和(自身を含む): 4043520

約数和(自身を除く): 2754600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 467, 552, 690, 920, 934, 1380, 1401, 1868, 2335, 2760, 2802, 3736, 4670, 5604, 7005, 9340, 10741, 11208, 14010, 18680, 21482, 28020, 32223, 42964, 53705, 56040, 64446, 85928, 107410, 128892, 161115, 214820, 257784, 322230, 429640, 644460, 1288920]

約数ペア:

[(1, 1288920), (2, 644460), (3, 429640), (4, 322230), (5, 257784), (6, 214820), (8, 161115), (10, 128892), (12, 107410), (15, 85928), (20, 64446), (23, 56040), (24, 53705), (30, 42964), (40, 32223), (46, 28020), (60, 21482), (69, 18680), (92, 14010), (115, 11208), (120, 10741), (138, 9340), (184, 7005), (230, 5604), (276, 4670), (345, 3736), (460, 2802), (467, 2760), (552, 2335), (690, 1868), (920, 1401), (934, 1380)]