321638220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{6359}}^1$

素因数の和:6655

約数の個数: 72

約数和(自身を含む): 979261920

約数和(自身を除く): 657623700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1124, 1405, 1686, 2529, 2810, 3372, 4215, 5058, 5620, 6359, 8430, 10116, 12645, 12718, 16860, 19077, 25290, 25436, 31795, 38154, 50580, 57231, 63590, 76308, 95385, 114462, 127180, 190770, 228924, 286155, 381540, 572310, 1144620, 1786879, 3573758, 5360637, 7147516, 8934395, 10721274, 16081911, 17868790, 21442548, 26803185, 32163822, 35737580, 53606370, 64327644, 80409555, 107212740, 160819110, 321638220]

約数ペア:

[(1, 321638220), (2, 160819110), (3, 107212740), (4, 80409555), (5, 64327644), (6, 53606370), (9, 35737580), (10, 32163822), (12, 26803185), (15, 21442548), (18, 17868790), (20, 16081911), (30, 10721274), (36, 8934395), (45, 7147516), (60, 5360637), (90, 3573758), (180, 1786879), (281, 1144620), (562, 572310), (843, 381540), (1124, 286155), (1405, 228924), (1686, 190770), (2529, 127180), (2810, 114462), (3372, 95385), (4215, 76308), (5058, 63590), (5620, 57231), (6359, 50580), (8430, 38154), (10116, 31795), (12645, 25436), (12718, 25290), (16860, 19077)]