8489640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{269}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 25660800

約数和(自身を除く): 17171160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 269, 526, 538, 789, 807, 1052, 1076, 1315, 1345, 1578, 1614, 2104, 2152, 2630, 2690, 3156, 3228, 3945, 4035, 5260, 5380, 6312, 6456, 7890, 8070, 10520, 10760, 15780, 16140, 31560, 32280, 70747, 141494, 212241, 282988, 353735, 424482, 565976, 707470, 848964, 1061205, 1414940, 1697928, 2122410, 2829880, 4244820, 8489640]

約数ペア:

[(1, 8489640), (2, 4244820), (3, 2829880), (4, 2122410), (5, 1697928), (6, 1414940), (8, 1061205), (10, 848964), (12, 707470), (15, 565976), (20, 424482), (24, 353735), (30, 282988), (40, 212241), (60, 141494), (120, 70747), (263, 32280), (269, 31560), (526, 16140), (538, 15780), (789, 10760), (807, 10520), (1052, 8070), (1076, 7890), (1315, 6456), (1345, 6312), (1578, 5380), (1614, 5260), (2104, 4035), (2152, 3945), (2630, 3228), (2690, 3156)]