123131520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{21377}}^1$

素因数の和:21402

約数の個数: 96

約数和(自身を含む): 425208420

約数和(自身を除く): 302076900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 21377, 42754, 64131, 85508, 106885, 128262, 171016, 192393, 213770, 256524, 320655, 342032, 384786, 427540, 513048, 641310, 684064, 769572, 855080, 961965, 1026096, 1282620, 1368128, 1539144, 1710160, 1923930, 2052192, 2565240, 2736256, 3078288, 3420320, 3847860, 4104384, 5130480, 6156576, 6840640, 7695720, 8208768, 10260960, 12313152, 13681280, 15391440, 20521920, 24626304, 30782880, 41043840, 61565760, 123131520]

約数ペア:

[(1, 123131520), (2, 61565760), (3, 41043840), (4, 30782880), (5, 24626304), (6, 20521920), (8, 15391440), (9, 13681280), (10, 12313152), (12, 10260960), (15, 8208768), (16, 7695720), (18, 6840640), (20, 6156576), (24, 5130480), (30, 4104384), (32, 3847860), (36, 3420320), (40, 3078288), (45, 2736256), (48, 2565240), (60, 2052192), (64, 1923930), (72, 1710160), (80, 1539144), (90, 1368128), (96, 1282620), (120, 1026096), (128, 961965), (144, 855080), (160, 769572), (180, 684064), (192, 641310), (240, 513048), (288, 427540), (320, 384786), (360, 342032), (384, 320655), (480, 256524), (576, 213770), (640, 192393), (720, 171016), (960, 128262), (1152, 106885), (1440, 85508), (1920, 64131), (2880, 42754), (5760, 21377)]