1638678840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13655657}}^1$

素因数の和:13655671

約数の個数: 32

約数和(自身を含む): 4916036880

約数和(自身を除く): 3277358040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 13655657, 27311314, 40966971, 54622628, 68278285, 81933942, 109245256, 136556570, 163867884, 204834855, 273113140, 327735768, 409669710, 546226280, 819339420, 1638678840]

約数ペア:

[(1, 1638678840), (2, 819339420), (3, 546226280), (4, 409669710), (5, 327735768), (6, 273113140), (8, 204834855), (10, 163867884), (12, 136556570), (15, 109245256), (20, 81933942), (24, 68278285), (30, 54622628), (40, 40966971), (60, 27311314), (120, 13655657)]