123042560

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1109

約数の個数: 72

約数和(自身を含む): 298064256

約数和(自身を除く): 175021696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 485, 640, 776, 970, 991, 1280, 1552, 1940, 1982, 3104, 3880, 3964, 4955, 6208, 7760, 7928, 9910, 12416, 15520, 15856, 19820, 24832, 31040, 31712, 39640, 62080, 63424, 79280, 96127, 124160, 126848, 158560, 192254, 253696, 317120, 384508, 480635, 634240, 769016, 961270, 1268480, 1538032, 1922540, 3076064, 3845080, 6152128, 7690160, 12304256, 15380320, 24608512, 30760640, 61521280, 123042560]

約数ペア:

[(1, 123042560), (2, 61521280), (4, 30760640), (5, 24608512), (8, 15380320), (10, 12304256), (16, 7690160), (20, 6152128), (32, 3845080), (40, 3076064), (64, 1922540), (80, 1538032), (97, 1268480), (128, 961270), (160, 769016), (194, 634240), (256, 480635), (320, 384508), (388, 317120), (485, 253696), (640, 192254), (776, 158560), (970, 126848), (991, 124160), (1280, 96127), (1552, 79280), (1940, 63424), (1982, 62080), (3104, 39640), (3880, 31712), (3964, 31040), (4955, 24832), (6208, 19820), (7760, 15856), (7928, 15520), (9910, 12416)]