81374220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{50231}}^1$

素因数の和:50252

約数の個数: 60

約数和(自身を含む): 255279024

約数和(自身を除く): 173904804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 50231, 100462, 150693, 200924, 251155, 301386, 452079, 502310, 602772, 753465, 904158, 1004620, 1356237, 1506930, 1808316, 2260395, 2712474, 3013860, 4068711, 4520790, 5424948, 6781185, 8137422, 9041580, 13562370, 16274844, 20343555, 27124740, 40687110, 81374220]

約数ペア:

[(1, 81374220), (2, 40687110), (3, 27124740), (4, 20343555), (5, 16274844), (6, 13562370), (9, 9041580), (10, 8137422), (12, 6781185), (15, 5424948), (18, 4520790), (20, 4068711), (27, 3013860), (30, 2712474), (36, 2260395), (45, 1808316), (54, 1506930), (60, 1356237), (81, 1004620), (90, 904158), (108, 753465), (135, 602772), (162, 502310), (180, 452079), (270, 301386), (324, 251155), (405, 200924), (540, 150693), (810, 100462), (1620, 50231)]