64885140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{659}}^1$

素因数の和:1221

約数の個数: 72

約数和(自身を含む): 197477280

約数和(自身を除く): 132592140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 547, 659, 1094, 1318, 1641, 1977, 2188, 2636, 2735, 3282, 3295, 3954, 4923, 5470, 5931, 6564, 6590, 7908, 8205, 9846, 9885, 10940, 11862, 13180, 16410, 19692, 19770, 23724, 24615, 29655, 32820, 39540, 49230, 59310, 98460, 118620, 360473, 720946, 1081419, 1441892, 1802365, 2162838, 3244257, 3604730, 4325676, 5407095, 6488514, 7209460, 10814190, 12977028, 16221285, 21628380, 32442570, 64885140]

約数ペア:

[(1, 64885140), (2, 32442570), (3, 21628380), (4, 16221285), (5, 12977028), (6, 10814190), (9, 7209460), (10, 6488514), (12, 5407095), (15, 4325676), (18, 3604730), (20, 3244257), (30, 2162838), (36, 1802365), (45, 1441892), (60, 1081419), (90, 720946), (180, 360473), (547, 118620), (659, 98460), (1094, 59310), (1318, 49230), (1641, 39540), (1977, 32820), (2188, 29655), (2636, 24615), (2735, 23724), (3282, 19770), (3295, 19692), (3954, 16410), (4923, 13180), (5470, 11862), (5931, 10940), (6564, 9885), (6590, 9846), (7908, 8205)]