31078920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{258991}}^1$

素因数の和:259005

約数の個数: 32

約数和(自身を含む): 93237120

約数和(自身を除く): 62158200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 258991, 517982, 776973, 1035964, 1294955, 1553946, 2071928, 2589910, 3107892, 3884865, 5179820, 6215784, 7769730, 10359640, 15539460, 31078920]

約数ペア:

[(1, 31078920), (2, 15539460), (3, 10359640), (4, 7769730), (5, 6215784), (6, 5179820), (8, 3884865), (10, 3107892), (12, 2589910), (15, 2071928), (20, 1553946), (24, 1294955), (30, 1035964), (40, 776973), (60, 517982), (120, 258991)]