231556680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{643213}}^1$

素因数の和:643230

約数の個数: 48

約数和(自身を含む): 752560380

約数和(自身を除く): 521003700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 643213, 1286426, 1929639, 2572852, 3216065, 3859278, 5145704, 5788917, 6432130, 7718556, 9648195, 11577834, 12864260, 15437112, 19296390, 23155668, 25728520, 28944585, 38592780, 46311336, 57889170, 77185560, 115778340, 231556680]

約数ペア:

[(1, 231556680), (2, 115778340), (3, 77185560), (4, 57889170), (5, 46311336), (6, 38592780), (8, 28944585), (9, 25728520), (10, 23155668), (12, 19296390), (15, 15437112), (18, 12864260), (20, 11577834), (24, 9648195), (30, 7718556), (36, 6432130), (40, 5788917), (45, 5145704), (60, 3859278), (72, 3216065), (90, 2572852), (120, 1929639), (180, 1286426), (360, 643213)]