77781420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{719}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 236658240

約数和(自身を除く): 158876820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 601, 719, 1202, 1438, 1803, 2157, 2404, 2876, 3005, 3595, 3606, 4314, 5409, 6010, 6471, 7190, 7212, 8628, 9015, 10785, 10818, 12020, 12942, 14380, 18030, 21570, 21636, 25884, 27045, 32355, 36060, 43140, 54090, 64710, 108180, 129420, 432119, 864238, 1296357, 1728476, 2160595, 2592714, 3889071, 4321190, 5185428, 6481785, 7778142, 8642380, 12963570, 15556284, 19445355, 25927140, 38890710, 77781420]

約数ペア:

[(1, 77781420), (2, 38890710), (3, 25927140), (4, 19445355), (5, 15556284), (6, 12963570), (9, 8642380), (10, 7778142), (12, 6481785), (15, 5185428), (18, 4321190), (20, 3889071), (30, 2592714), (36, 2160595), (45, 1728476), (60, 1296357), (90, 864238), (180, 432119), (601, 129420), (719, 108180), (1202, 64710), (1438, 54090), (1803, 43140), (2157, 36060), (2404, 32355), (2876, 27045), (3005, 25884), (3595, 21636), (3606, 21570), (4314, 18030), (5409, 14380), (6010, 12942), (6471, 12020), (7190, 10818), (7212, 10785), (8628, 9015)]