1321318004280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{21890623}}^1$

素因数の和:21891140

約数の個数: 64

約数和(自身を含む): 3971834818560

約数和(自身を除く): 2650516814280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 503, 1006, 1509, 2012, 2515, 3018, 4024, 5030, 6036, 7545, 10060, 12072, 15090, 20120, 30180, 60360, 21890623, 43781246, 65671869, 87562492, 109453115, 131343738, 175124984, 218906230, 262687476, 328359345, 437812460, 525374952, 656718690, 875624920, 1313437380, 2626874760, 11010983369, 22021966738, 33032950107, 44043933476, 55054916845, 66065900214, 88087866952, 110109833690, 132131800428, 165164750535, 220219667380, 264263600856, 330329501070, 440439334760, 660659002140, 1321318004280]

約数ペア:

[(1, 1321318004280), (2, 660659002140), (3, 440439334760), (4, 330329501070), (5, 264263600856), (6, 220219667380), (8, 165164750535), (10, 132131800428), (12, 110109833690), (15, 88087866952), (20, 66065900214), (24, 55054916845), (30, 44043933476), (40, 33032950107), (60, 22021966738), (120, 11010983369), (503, 2626874760), (1006, 1313437380), (1509, 875624920), (2012, 656718690), (2515, 525374952), (3018, 437812460), (4024, 328359345), (5030, 262687476), (6036, 218906230), (7545, 175124984), (10060, 131343738), (12072, 109453115), (15090, 87562492), (20120, 65671869), (30180, 43781246), (60360, 21890623)]