66259760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16903}}^1$

素因数の和:16930

約数の個数: 60

約数和(自身を含む): 179216208

約数和(自身を除く): 112956448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16903, 33806, 67612, 84515, 118321, 135224, 169030, 236642, 270448, 338060, 473284, 591605, 676120, 828247, 946568, 1183210, 1352240, 1656494, 1893136, 2366420, 3312988, 4141235, 4732840, 6625976, 8282470, 9465680, 13251952, 16564940, 33129880, 66259760]

約数ペア:

[(1, 66259760), (2, 33129880), (4, 16564940), (5, 13251952), (7, 9465680), (8, 8282470), (10, 6625976), (14, 4732840), (16, 4141235), (20, 3312988), (28, 2366420), (35, 1893136), (40, 1656494), (49, 1352240), (56, 1183210), (70, 946568), (80, 828247), (98, 676120), (112, 591605), (140, 473284), (196, 338060), (245, 270448), (280, 236642), (392, 169030), (490, 135224), (560, 118321), (784, 84515), (980, 67612), (1960, 33806), (3920, 16903)]