2552820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 7219968

約数和(自身を除く): 4667148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 271, 314, 471, 542, 628, 785, 813, 942, 1084, 1355, 1570, 1626, 1884, 2355, 2710, 3140, 3252, 4065, 4710, 5420, 8130, 9420, 16260, 42547, 85094, 127641, 170188, 212735, 255282, 425470, 510564, 638205, 850940, 1276410, 2552820]

約数ペア:

[(1, 2552820), (2, 1276410), (3, 850940), (4, 638205), (5, 510564), (6, 425470), (10, 255282), (12, 212735), (15, 170188), (20, 127641), (30, 85094), (60, 42547), (157, 16260), (271, 9420), (314, 8130), (471, 5420), (542, 4710), (628, 4065), (785, 3252), (813, 3140), (942, 2710), (1084, 2355), (1355, 1884), (1570, 1626)]