8101470040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1579}}^1$

素因数の和:1809

約数の個数: 128

約数和(自身を含む): 19771488000

約数和(自身を除く): 11670017960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 157, 172, 190, 215, 314, 344, 380, 430, 628, 760, 785, 817, 860, 1256, 1570, 1579, 1634, 1720, 2983, 3140, 3158, 3268, 4085, 5966, 6280, 6316, 6536, 6751, 7895, 8170, 11932, 12632, 13502, 14915, 15790, 16340, 23864, 27004, 29830, 30001, 31580, 32680, 33755, 54008, 59660, 60002, 63160, 67510, 67897, 119320, 120004, 128269, 135020, 135794, 150005, 240008, 247903, 256538, 270040, 271588, 300010, 339485, 495806, 513076, 543176, 600020, 641345, 678970, 991612, 1026152, 1200040, 1239515, 1282690, 1290043, 1357940, 1983224, 2479030, 2565380, 2580086, 2715880, 4710157, 4958060, 5130760, 5160172, 6450215, 9420314, 9916120, 10320344, 10659829, 12900430, 18840628, 21319658, 23550785, 25800860, 37681256, 42639316, 47101570, 51601720, 53299145, 85278632, 94203140, 106598290, 188406280, 202536751, 213196580, 405073502, 426393160, 810147004, 1012683755, 1620294008, 2025367510, 4050735020, 8101470040]

約数ペア:

[(1, 8101470040), (2, 4050735020), (4, 2025367510), (5, 1620294008), (8, 1012683755), (10, 810147004), (19, 426393160), (20, 405073502), (38, 213196580), (40, 202536751), (43, 188406280), (76, 106598290), (86, 94203140), (95, 85278632), (152, 53299145), (157, 51601720), (172, 47101570), (190, 42639316), (215, 37681256), (314, 25800860), (344, 23550785), (380, 21319658), (430, 18840628), (628, 12900430), (760, 10659829), (785, 10320344), (817, 9916120), (860, 9420314), (1256, 6450215), (1570, 5160172), (1579, 5130760), (1634, 4958060), (1720, 4710157), (2983, 2715880), (3140, 2580086), (3158, 2565380), (3268, 2479030), (4085, 1983224), (5966, 1357940), (6280, 1290043), (6316, 1282690), (6536, 1239515), (6751, 1200040), (7895, 1026152), (8170, 991612), (11932, 678970), (12632, 641345), (13502, 600020), (14915, 543176), (15790, 513076), (16340, 495806), (23864, 339485), (27004, 300010), (29830, 271588), (30001, 270040), (31580, 256538), (32680, 247903), (33755, 240008), (54008, 150005), (59660, 135794), (60002, 135020), (63160, 128269), (67510, 120004), (67897, 119320)]