998520

素因数分解:

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

素因数の和:224

約数の個数: 64

約数和(自身を含む): 3071520

約数和(自身を除く): 2073000

約数列:

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

約数ペア:

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