291279420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37633}}^1$

素因数の和:37691

約数の個数: 72

約数和(自身を含む): 904119216

約数和(自身を除く): 612839796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 37633, 75266, 112899, 150532, 188165, 225798, 338697, 376330, 451596, 564495, 677394, 752660, 1128990, 1354788, 1618219, 1693485, 2257980, 3236438, 3386970, 4854657, 6472876, 6773940, 8091095, 9709314, 14563971, 16182190, 19418628, 24273285, 29127942, 32364380, 48546570, 58255884, 72819855, 97093140, 145639710, 291279420]

約数ペア:

[(1, 291279420), (2, 145639710), (3, 97093140), (4, 72819855), (5, 58255884), (6, 48546570), (9, 32364380), (10, 29127942), (12, 24273285), (15, 19418628), (18, 16182190), (20, 14563971), (30, 9709314), (36, 8091095), (43, 6773940), (45, 6472876), (60, 4854657), (86, 3386970), (90, 3236438), (129, 2257980), (172, 1693485), (180, 1618219), (215, 1354788), (258, 1128990), (387, 752660), (430, 677394), (516, 564495), (645, 451596), (774, 376330), (860, 338697), (1290, 225798), (1548, 188165), (1935, 150532), (2580, 112899), (3870, 75266), (7740, 37633)]