1261361280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{656959}}^1$

素因数の和:656981

約数の個数: 64

約数和(自身を含む): 4020595200

約数和(自身を除く): 2759233920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 656959, 1313918, 1970877, 2627836, 3284795, 3941754, 5255672, 6569590, 7883508, 9854385, 10511344, 13139180, 15767016, 19708770, 21022688, 26278360, 31534032, 39417540, 42045376, 52556720, 63068064, 78835080, 84090752, 105113440, 126136128, 157670160, 210226880, 252272256, 315340320, 420453760, 630680640, 1261361280]

約数ペア:

[(1, 1261361280), (2, 630680640), (3, 420453760), (4, 315340320), (5, 252272256), (6, 210226880), (8, 157670160), (10, 126136128), (12, 105113440), (15, 84090752), (16, 78835080), (20, 63068064), (24, 52556720), (30, 42045376), (32, 39417540), (40, 31534032), (48, 26278360), (60, 21022688), (64, 19708770), (80, 15767016), (96, 13139180), (120, 10511344), (128, 9854385), (160, 7883508), (192, 6569590), (240, 5255672), (320, 3941754), (384, 3284795), (480, 2627836), (640, 1970877), (960, 1313918), (1920, 656959)]