81539340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3389}}^1$

素因数の和:3802

約数の個数: 48

約数和(自身を含む): 228947040

約数和(自身を除く): 147407700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 802, 1203, 1604, 2005, 2406, 3389, 4010, 4812, 6015, 6778, 8020, 10167, 12030, 13556, 16945, 20334, 24060, 33890, 40668, 50835, 67780, 101670, 203340, 1358989, 2717978, 4076967, 5435956, 6794945, 8153934, 13589890, 16307868, 20384835, 27179780, 40769670, 81539340]

約数ペア:

[(1, 81539340), (2, 40769670), (3, 27179780), (4, 20384835), (5, 16307868), (6, 13589890), (10, 8153934), (12, 6794945), (15, 5435956), (20, 4076967), (30, 2717978), (60, 1358989), (401, 203340), (802, 101670), (1203, 67780), (1604, 50835), (2005, 40668), (2406, 33890), (3389, 24060), (4010, 20334), (4812, 16945), (6015, 13556), (6778, 12030), (8020, 10167)]