31520040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15451}}^1$

素因数の和:15482

約数の個数: 64

約数和(自身を含む): 100128960

約数和(自身を除く): 68608920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 15451, 30902, 46353, 61804, 77255, 92706, 123608, 154510, 185412, 231765, 262667, 309020, 370824, 463530, 525334, 618040, 788001, 927060, 1050668, 1313335, 1576002, 1854120, 2101336, 2626670, 3152004, 3940005, 5253340, 6304008, 7880010, 10506680, 15760020, 31520040]

約数ペア:

[(1, 31520040), (2, 15760020), (3, 10506680), (4, 7880010), (5, 6304008), (6, 5253340), (8, 3940005), (10, 3152004), (12, 2626670), (15, 2101336), (17, 1854120), (20, 1576002), (24, 1313335), (30, 1050668), (34, 927060), (40, 788001), (51, 618040), (60, 525334), (68, 463530), (85, 370824), (102, 309020), (120, 262667), (136, 231765), (170, 185412), (204, 154510), (255, 123608), (340, 92706), (408, 77255), (510, 61804), (680, 46353), (1020, 30902), (2040, 15451)]