256606080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{133649}}^1$

素因数の和:133671

約数の個数: 64

約数和(自身を含む): 817938000

約数和(自身を除く): 561331920

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, 133649, 267298, 400947, 534596, 668245, 801894, 1069192, 1336490, 1603788, 2004735, 2138384, 2672980, 3207576, 4009470, 4276768, 5345960, 6415152, 8018940, 8553536, 10691920, 12830304, 16037880, 17107072, 21383840, 25660608, 32075760, 42767680, 51321216, 64151520, 85535360, 128303040, 256606080]

約数ペア:

[(1, 256606080), (2, 128303040), (3, 85535360), (4, 64151520), (5, 51321216), (6, 42767680), (8, 32075760), (10, 25660608), (12, 21383840), (15, 17107072), (16, 16037880), (20, 12830304), (24, 10691920), (30, 8553536), (32, 8018940), (40, 6415152), (48, 5345960), (60, 4276768), (64, 4009470), (80, 3207576), (96, 2672980), (120, 2138384), (128, 2004735), (160, 1603788), (192, 1336490), (240, 1069192), (320, 801894), (384, 668245), (480, 534596), (640, 400947), (960, 267298), (1920, 133649)]