81282840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{677357}}^1$

素因数の和:677371

約数の個数: 32

約数和(自身を含む): 243848880

約数和(自身を除く): 162566040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 677357, 1354714, 2032071, 2709428, 3386785, 4064142, 5418856, 6773570, 8128284, 10160355, 13547140, 16256568, 20320710, 27094280, 40641420, 81282840]

約数ペア:

[(1, 81282840), (2, 40641420), (3, 27094280), (4, 20320710), (5, 16256568), (6, 13547140), (8, 10160355), (10, 8128284), (12, 6773570), (15, 5418856), (20, 4064142), (24, 3386785), (30, 2709428), (40, 2032071), (60, 1354714), (120, 677357)]