77187780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{751}}^1$

素因数の和:1337

約数の個数: 72

約数和(自身を含む): 234858624

約数和(自身を除く): 157670844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 571, 751, 1142, 1502, 1713, 2253, 2284, 2855, 3004, 3426, 3755, 4506, 5139, 5710, 6759, 6852, 7510, 8565, 9012, 10278, 11265, 11420, 13518, 15020, 17130, 20556, 22530, 25695, 27036, 33795, 34260, 45060, 51390, 67590, 102780, 135180, 428821, 857642, 1286463, 1715284, 2144105, 2572926, 3859389, 4288210, 5145852, 6432315, 7718778, 8576420, 12864630, 15437556, 19296945, 25729260, 38593890, 77187780]

約数ペア:

[(1, 77187780), (2, 38593890), (3, 25729260), (4, 19296945), (5, 15437556), (6, 12864630), (9, 8576420), (10, 7718778), (12, 6432315), (15, 5145852), (18, 4288210), (20, 3859389), (30, 2572926), (36, 2144105), (45, 1715284), (60, 1286463), (90, 857642), (180, 428821), (571, 135180), (751, 102780), (1142, 67590), (1502, 51390), (1713, 45060), (2253, 34260), (2284, 33795), (2855, 27036), (3004, 25695), (3426, 22530), (3755, 20556), (4506, 17130), (5139, 15020), (5710, 13518), (6759, 11420), (6852, 11265), (7510, 10278), (8565, 9012)]