16954020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 51891840

約数和(自身を除く): 34937820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 719, 786, 1179, 1310, 1438, 1572, 1965, 2157, 2358, 2620, 2876, 3595, 3930, 4314, 4716, 5895, 6471, 7190, 7860, 8628, 10785, 11790, 12942, 14380, 21570, 23580, 25884, 32355, 43140, 64710, 94189, 129420, 188378, 282567, 376756, 470945, 565134, 847701, 941890, 1130268, 1412835, 1695402, 1883780, 2825670, 3390804, 4238505, 5651340, 8477010, 16954020]

約数ペア:

[(1, 16954020), (2, 8477010), (3, 5651340), (4, 4238505), (5, 3390804), (6, 2825670), (9, 1883780), (10, 1695402), (12, 1412835), (15, 1130268), (18, 941890), (20, 847701), (30, 565134), (36, 470945), (45, 376756), (60, 282567), (90, 188378), (131, 129420), (180, 94189), (262, 64710), (393, 43140), (524, 32355), (655, 25884), (719, 23580), (786, 21570), (1179, 14380), (1310, 12942), (1438, 11790), (1572, 10785), (1965, 8628), (2157, 7860), (2358, 7190), (2620, 6471), (2876, 5895), (3595, 4716), (3930, 4314)]