1285202560

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105691}}^1$

素因数の和:105729

約数の個数: 64

約数和(自身を含む): 3234175200

約数和(自身を除く): 1948972640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 105691, 211382, 422764, 528455, 845528, 1056910, 1691056, 2008129, 2113820, 3382112, 4016258, 4227640, 6764224, 8032516, 8455280, 10040645, 13528448, 16065032, 16910560, 20081290, 32130064, 33821120, 40162580, 64260128, 67642240, 80325160, 128520256, 160650320, 257040512, 321300640, 642601280, 1285202560]

約数ペア:

[(1, 1285202560), (2, 642601280), (4, 321300640), (5, 257040512), (8, 160650320), (10, 128520256), (16, 80325160), (19, 67642240), (20, 64260128), (32, 40162580), (38, 33821120), (40, 32130064), (64, 20081290), (76, 16910560), (80, 16065032), (95, 13528448), (128, 10040645), (152, 8455280), (160, 8032516), (190, 6764224), (304, 4227640), (320, 4016258), (380, 3382112), (608, 2113820), (640, 2008129), (760, 1691056), (1216, 1056910), (1520, 845528), (2432, 528455), (3040, 422764), (6080, 211382), (12160, 105691)]