1997040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 6347808

約数和(自身を除く): 4350768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 157, 159, 212, 240, 265, 314, 318, 424, 471, 530, 628, 636, 785, 795, 848, 942, 1060, 1256, 1272, 1570, 1590, 1884, 2120, 2355, 2512, 2544, 3140, 3180, 3768, 4240, 4710, 6280, 6360, 7536, 8321, 9420, 12560, 12720, 16642, 18840, 24963, 33284, 37680, 41605, 49926, 66568, 83210, 99852, 124815, 133136, 166420, 199704, 249630, 332840, 399408, 499260, 665680, 998520, 1997040]

約数ペア:

[(1, 1997040), (2, 998520), (3, 665680), (4, 499260), (5, 399408), (6, 332840), (8, 249630), (10, 199704), (12, 166420), (15, 133136), (16, 124815), (20, 99852), (24, 83210), (30, 66568), (40, 49926), (48, 41605), (53, 37680), (60, 33284), (80, 24963), (106, 18840), (120, 16642), (157, 12720), (159, 12560), (212, 9420), (240, 8321), (265, 7536), (314, 6360), (318, 6280), (424, 4710), (471, 4240), (530, 3768), (628, 3180), (636, 3140), (785, 2544), (795, 2512), (848, 2355), (942, 2120), (1060, 1884), (1256, 1590), (1272, 1570)]