661287960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1836911}}^1$

素因数の和:1836928

約数の個数: 48

約数和(自身を含む): 2149187040

約数和(自身を除く): 1487899080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1836911, 3673822, 5510733, 7347644, 9184555, 11021466, 14695288, 16532199, 18369110, 22042932, 27553665, 33064398, 36738220, 44085864, 55107330, 66128796, 73476440, 82660995, 110214660, 132257592, 165321990, 220429320, 330643980, 661287960]

約数ペア:

[(1, 661287960), (2, 330643980), (3, 220429320), (4, 165321990), (5, 132257592), (6, 110214660), (8, 82660995), (9, 73476440), (10, 66128796), (12, 55107330), (15, 44085864), (18, 36738220), (20, 33064398), (24, 27553665), (30, 22042932), (36, 18369110), (40, 16532199), (45, 14695288), (60, 11021466), (72, 9184555), (90, 7347644), (120, 5510733), (180, 3673822), (360, 1836911)]