71557640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3319}}^1$

素因数の和:3355

約数の個数: 96

約数和(自身を含む): 204379200

約数和(自身を除く): 132821560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 3319, 4312, 5390, 6638, 10780, 13276, 16595, 21560, 23233, 26552, 33190, 36509, 46466, 66380, 73018, 92932, 116165, 132760, 146036, 162631, 182545, 185864, 232330, 255563, 292072, 325262, 365090, 464660, 511126, 650524, 730180, 813155, 929320, 1022252, 1277815, 1301048, 1460360, 1626310, 1788941, 2044504, 2555630, 3252620, 3577882, 5111260, 6505240, 7155764, 8944705, 10222520, 14311528, 17889410, 35778820, 71557640]

約数ペア:

[(1, 71557640), (2, 35778820), (4, 17889410), (5, 14311528), (7, 10222520), (8, 8944705), (10, 7155764), (11, 6505240), (14, 5111260), (20, 3577882), (22, 3252620), (28, 2555630), (35, 2044504), (40, 1788941), (44, 1626310), (49, 1460360), (55, 1301048), (56, 1277815), (70, 1022252), (77, 929320), (88, 813155), (98, 730180), (110, 650524), (140, 511126), (154, 464660), (196, 365090), (220, 325262), (245, 292072), (280, 255563), (308, 232330), (385, 185864), (392, 182545), (440, 162631), (490, 146036), (539, 132760), (616, 116165), (770, 92932), (980, 73018), (1078, 66380), (1540, 46466), (1960, 36509), (2156, 33190), (2695, 26552), (3080, 23233), (3319, 21560), (4312, 16595), (5390, 13276), (6638, 10780)]