261199260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{207301}}^1$

素因数の和:207323

約数の個数: 72

約数和(自身を含む): 905495136

約数和(自身を除く): 644295876

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 207301, 414602, 621903, 829204, 1036505, 1243806, 1451107, 1865709, 2073010, 2487612, 2902214, 3109515, 3731418, 4146020, 4353321, 5804428, 6219030, 7255535, 7462836, 8706642, 9328545, 12438060, 13059963, 14511070, 17413284, 18657090, 21766605, 26119926, 29022140, 37314180, 43533210, 52239852, 65299815, 87066420, 130599630, 261199260]

約数ペア:

[(1, 261199260), (2, 130599630), (3, 87066420), (4, 65299815), (5, 52239852), (6, 43533210), (7, 37314180), (9, 29022140), (10, 26119926), (12, 21766605), (14, 18657090), (15, 17413284), (18, 14511070), (20, 13059963), (21, 12438060), (28, 9328545), (30, 8706642), (35, 7462836), (36, 7255535), (42, 6219030), (45, 5804428), (60, 4353321), (63, 4146020), (70, 3731418), (84, 3109515), (90, 2902214), (105, 2487612), (126, 2073010), (140, 1865709), (180, 1451107), (210, 1243806), (252, 1036505), (315, 829204), (420, 621903), (630, 414602), (1260, 207301)]