1816189920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{21377}}^1$

素因数の和:21457

約数の個数: 144

約数和(自身を含む): 6303089520

約数和(自身を除く): 4486899600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 288, 295, 354, 360, 472, 480, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1440, 1770, 1888, 2124, 2360, 2655, 2832, 3540, 4248, 4720, 5310, 5664, 7080, 8496, 9440, 10620, 14160, 16992, 21240, 21377, 28320, 42480, 42754, 64131, 84960, 85508, 106885, 128262, 171016, 192393, 213770, 256524, 320655, 342032, 384786, 427540, 513048, 641310, 684064, 769572, 855080, 961965, 1026096, 1261243, 1282620, 1539144, 1710160, 1923930, 2052192, 2522486, 2565240, 3078288, 3420320, 3783729, 3847860, 5044972, 5130480, 6156576, 6306215, 7567458, 7695720, 10089944, 10260960, 11351187, 12612430, 15134916, 15391440, 18918645, 20179888, 22702374, 25224860, 30269832, 30782880, 37837290, 40359776, 45404748, 50449720, 56755935, 60539664, 75674580, 90809496, 100899440, 113511870, 121079328, 151349160, 181618992, 201798880, 227023740, 302698320, 363237984, 454047480, 605396640, 908094960, 1816189920]

約数ペア:

[(1, 1816189920), (2, 908094960), (3, 605396640), (4, 454047480), (5, 363237984), (6, 302698320), (8, 227023740), (9, 201798880), (10, 181618992), (12, 151349160), (15, 121079328), (16, 113511870), (18, 100899440), (20, 90809496), (24, 75674580), (30, 60539664), (32, 56755935), (36, 50449720), (40, 45404748), (45, 40359776), (48, 37837290), (59, 30782880), (60, 30269832), (72, 25224860), (80, 22702374), (90, 20179888), (96, 18918645), (118, 15391440), (120, 15134916), (144, 12612430), (160, 11351187), (177, 10260960), (180, 10089944), (236, 7695720), (240, 7567458), (288, 6306215), (295, 6156576), (354, 5130480), (360, 5044972), (472, 3847860), (480, 3783729), (531, 3420320), (590, 3078288), (708, 2565240), (720, 2522486), (885, 2052192), (944, 1923930), (1062, 1710160), (1180, 1539144), (1416, 1282620), (1440, 1261243), (1770, 1026096), (1888, 961965), (2124, 855080), (2360, 769572), (2655, 684064), (2832, 641310), (3540, 513048), (4248, 427540), (4720, 384786), (5310, 342032), (5664, 320655), (7080, 256524), (8496, 213770), (9440, 192393), (10620, 171016), (14160, 128262), (16992, 106885), (21240, 85508), (21377, 84960), (28320, 64131), (42480, 42754)]