155820800

素因数分解:

$2^8\times 5^2\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 108

約数和(自身を含む): 391209336

約数和(自身を除く): 235388536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 128, 160, 194, 200, 251, 256, 320, 388, 400, 485, 502, 640, 776, 800, 970, 1004, 1255, 1280, 1552, 1600, 1940, 2008, 2425, 2510, 3104, 3200, 3880, 4016, 4850, 5020, 6208, 6275, 6400, 7760, 8032, 9700, 10040, 12416, 12550, 15520, 16064, 19400, 20080, 24347, 24832, 25100, 31040, 32128, 38800, 40160, 48694, 50200, 62080, 64256, 77600, 80320, 97388, 100400, 121735, 124160, 155200, 160640, 194776, 200800, 243470, 310400, 321280, 389552, 401600, 486940, 608675, 620800, 779104, 803200, 973880, 1217350, 1558208, 1606400, 1947760, 2434700, 3116416, 3895520, 4869400, 6232832, 7791040, 9738800, 15582080, 19477600, 31164160, 38955200, 77910400, 155820800]

約数ペア:

[(1, 155820800), (2, 77910400), (4, 38955200), (5, 31164160), (8, 19477600), (10, 15582080), (16, 9738800), (20, 7791040), (25, 6232832), (32, 4869400), (40, 3895520), (50, 3116416), (64, 2434700), (80, 1947760), (97, 1606400), (100, 1558208), (128, 1217350), (160, 973880), (194, 803200), (200, 779104), (251, 620800), (256, 608675), (320, 486940), (388, 401600), (400, 389552), (485, 321280), (502, 310400), (640, 243470), (776, 200800), (800, 194776), (970, 160640), (1004, 155200), (1255, 124160), (1280, 121735), (1552, 100400), (1600, 97388), (1940, 80320), (2008, 77600), (2425, 64256), (2510, 62080), (3104, 50200), (3200, 48694), (3880, 40160), (4016, 38800), (4850, 32128), (5020, 31040), (6208, 25100), (6275, 24832), (6400, 24347), (7760, 20080), (8032, 19400), (9700, 16064), (10040, 15520), (12416, 12550)]