220187880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{55603}}^1$

素因数の和:55631

約数の個数: 96

約数和(自身を含む): 780680160

約数和(自身を除く): 560492280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 55603, 111206, 166809, 222412, 278015, 333618, 444824, 500427, 556030, 611633, 667236, 834045, 1000854, 1112060, 1223266, 1334472, 1668090, 1834899, 2001708, 2224120, 2446532, 2502135, 3058165, 3336180, 3669798, 4003416, 4893064, 5004270, 5504697, 6116330, 6672360, 7339596, 9174495, 10008540, 11009394, 12232660, 14679192, 18348990, 20017080, 22018788, 24465320, 27523485, 36697980, 44037576, 55046970, 73395960, 110093940, 220187880]

約数ペア:

[(1, 220187880), (2, 110093940), (3, 73395960), (4, 55046970), (5, 44037576), (6, 36697980), (8, 27523485), (9, 24465320), (10, 22018788), (11, 20017080), (12, 18348990), (15, 14679192), (18, 12232660), (20, 11009394), (22, 10008540), (24, 9174495), (30, 7339596), (33, 6672360), (36, 6116330), (40, 5504697), (44, 5004270), (45, 4893064), (55, 4003416), (60, 3669798), (66, 3336180), (72, 3058165), (88, 2502135), (90, 2446532), (99, 2224120), (110, 2001708), (120, 1834899), (132, 1668090), (165, 1334472), (180, 1223266), (198, 1112060), (220, 1000854), (264, 834045), (330, 667236), (360, 611633), (396, 556030), (440, 500427), (495, 444824), (660, 333618), (792, 278015), (990, 222412), (1320, 166809), (1980, 111206), (3960, 55603)]