81191100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2131}}^1$

素因数の和:2275

約数の個数: 72

約数和(自身を含む): 236873728

約数和(自身を除く): 155682628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 127, 150, 254, 300, 381, 508, 635, 762, 1270, 1524, 1905, 2131, 2540, 3175, 3810, 4262, 6350, 6393, 7620, 8524, 9525, 10655, 12700, 12786, 19050, 21310, 25572, 31965, 38100, 42620, 53275, 63930, 106550, 127860, 159825, 213100, 270637, 319650, 541274, 639300, 811911, 1082548, 1353185, 1623822, 2706370, 3247644, 4059555, 5412740, 6765925, 8119110, 13531850, 16238220, 20297775, 27063700, 40595550, 81191100]

約数ペア:

[(1, 81191100), (2, 40595550), (3, 27063700), (4, 20297775), (5, 16238220), (6, 13531850), (10, 8119110), (12, 6765925), (15, 5412740), (20, 4059555), (25, 3247644), (30, 2706370), (50, 1623822), (60, 1353185), (75, 1082548), (100, 811911), (127, 639300), (150, 541274), (254, 319650), (300, 270637), (381, 213100), (508, 159825), (635, 127860), (762, 106550), (1270, 63930), (1524, 53275), (1905, 42620), (2131, 38100), (2540, 31965), (3175, 25572), (3810, 21310), (4262, 19050), (6350, 12786), (6393, 12700), (7620, 10655), (8524, 9525)]