90308960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11519}}^1$

素因数の和:11548

約数の個数: 72

約数和(自身を含む): 248209920

約数和(自身を除く): 157900960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 11519, 23038, 46076, 57595, 80633, 92152, 115190, 161266, 184304, 230380, 322532, 368608, 403165, 460760, 564431, 645064, 806330, 921520, 1128862, 1290128, 1612660, 1843040, 2257724, 2580256, 2822155, 3225320, 4515448, 5644310, 6450640, 9030896, 11288620, 12901280, 18061792, 22577240, 45154480, 90308960]

約数ペア:

[(1, 90308960), (2, 45154480), (4, 22577240), (5, 18061792), (7, 12901280), (8, 11288620), (10, 9030896), (14, 6450640), (16, 5644310), (20, 4515448), (28, 3225320), (32, 2822155), (35, 2580256), (40, 2257724), (49, 1843040), (56, 1612660), (70, 1290128), (80, 1128862), (98, 921520), (112, 806330), (140, 645064), (160, 564431), (196, 460760), (224, 403165), (245, 368608), (280, 322532), (392, 230380), (490, 184304), (560, 161266), (784, 115190), (980, 92152), (1120, 80633), (1568, 57595), (1960, 46076), (3920, 23038), (7840, 11519)]