81111720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{675931}}^1$

素因数の和:675945

約数の個数: 32

約数和(自身を含む): 243335520

約数和(自身を除く): 162223800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 675931, 1351862, 2027793, 2703724, 3379655, 4055586, 5407448, 6759310, 8111172, 10138965, 13518620, 16222344, 20277930, 27037240, 40555860, 81111720]

約数ペア:

[(1, 81111720), (2, 40555860), (3, 27037240), (4, 20277930), (5, 16222344), (6, 13518620), (8, 10138965), (10, 8111172), (12, 6759310), (15, 5407448), (20, 4055586), (24, 3379655), (30, 2703724), (40, 2027793), (60, 1351862), (120, 675931)]