212220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{131}}^1$

素因数の和:152

約数の個数: 60

約数和(自身を含む): 670824

約数和(自身を除く): 458604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 131, 135, 162, 180, 262, 270, 324, 393, 405, 524, 540, 655, 786, 810, 1179, 1310, 1572, 1620, 1965, 2358, 2620, 3537, 3930, 4716, 5895, 7074, 7860, 10611, 11790, 14148, 17685, 21222, 23580, 35370, 42444, 53055, 70740, 106110, 212220]

約数ペア:

[(1, 212220), (2, 106110), (3, 70740), (4, 53055), (5, 42444), (6, 35370), (9, 23580), (10, 21222), (12, 17685), (15, 14148), (18, 11790), (20, 10611), (27, 7860), (30, 7074), (36, 5895), (45, 4716), (54, 3930), (60, 3537), (81, 2620), (90, 2358), (108, 1965), (131, 1620), (135, 1572), (162, 1310), (180, 1179), (262, 810), (270, 786), (324, 655), (393, 540), (405, 524)]