81801420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1801}}^1$

素因数の和:2570

約数の個数: 48

約数和(自身を含む): 229473888

約数和(自身を除く): 147672468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 757, 1514, 1801, 2271, 3028, 3602, 3785, 4542, 5403, 7204, 7570, 9005, 9084, 10806, 11355, 15140, 18010, 21612, 22710, 27015, 36020, 45420, 54030, 108060, 1363357, 2726714, 4090071, 5453428, 6816785, 8180142, 13633570, 16360284, 20450355, 27267140, 40900710, 81801420]

約数ペア:

[(1, 81801420), (2, 40900710), (3, 27267140), (4, 20450355), (5, 16360284), (6, 13633570), (10, 8180142), (12, 6816785), (15, 5453428), (20, 4090071), (30, 2726714), (60, 1363357), (757, 108060), (1514, 54030), (1801, 45420), (2271, 36020), (3028, 27015), (3602, 22710), (3785, 21612), (4542, 18010), (5403, 15140), (7204, 11355), (7570, 10806), (9005, 9084)]