81448680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{678739}}^1$

素因数の和:678753

約数の個数: 32

約数和(自身を含む): 244346400

約数和(自身を除く): 162897720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 678739, 1357478, 2036217, 2714956, 3393695, 4072434, 5429912, 6787390, 8144868, 10181085, 13574780, 16289736, 20362170, 27149560, 40724340, 81448680]

約数ペア:

[(1, 81448680), (2, 40724340), (3, 27149560), (4, 20362170), (5, 16289736), (6, 13574780), (8, 10181085), (10, 8144868), (12, 6787390), (15, 5429912), (20, 4072434), (24, 3393695), (30, 2714956), (40, 2036217), (60, 1357478), (120, 678739)]