78861121640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{653473}}^1$

素因数の和:653922

約数の個数: 64

約数和(自身を含む): 203256552960

約数和(自身を除く): 124395431320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 862, 1724, 2155, 3017, 3448, 4310, 6034, 8620, 12068, 15085, 17240, 24136, 30170, 60340, 120680, 653473, 1306946, 2613892, 3267365, 4574311, 5227784, 6534730, 9148622, 13069460, 18297244, 22871555, 26138920, 36594488, 45743110, 91486220, 182972440, 281646863, 563293726, 1126587452, 1408234315, 1971528041, 2253174904, 2816468630, 3943056082, 5632937260, 7886112164, 9857640205, 11265874520, 15772224328, 19715280410, 39430560820, 78861121640]

約数ペア:

[(1, 78861121640), (2, 39430560820), (4, 19715280410), (5, 15772224328), (7, 11265874520), (8, 9857640205), (10, 7886112164), (14, 5632937260), (20, 3943056082), (28, 2816468630), (35, 2253174904), (40, 1971528041), (56, 1408234315), (70, 1126587452), (140, 563293726), (280, 281646863), (431, 182972440), (862, 91486220), (1724, 45743110), (2155, 36594488), (3017, 26138920), (3448, 22871555), (4310, 18297244), (6034, 13069460), (8620, 9148622), (12068, 6534730), (15085, 5227784), (17240, 4574311), (24136, 3267365), (30170, 2613892), (60340, 1306946), (120680, 653473)]