70479760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 80

約数和(自身を含む): 177957360

約数和(自身を除く): 107477600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 401, 520, 676, 802, 845, 1040, 1352, 1604, 1690, 2005, 2197, 2704, 3208, 3380, 4010, 4394, 5213, 6416, 6760, 8020, 8788, 10426, 10985, 13520, 16040, 17576, 20852, 21970, 26065, 32080, 35152, 41704, 43940, 52130, 67769, 83408, 87880, 104260, 135538, 175760, 208520, 271076, 338845, 417040, 542152, 677690, 880997, 1084304, 1355380, 1761994, 2710760, 3523988, 4404985, 5421520, 7047976, 8809970, 14095952, 17619940, 35239880, 70479760]

約数ペア:

[(1, 70479760), (2, 35239880), (4, 17619940), (5, 14095952), (8, 8809970), (10, 7047976), (13, 5421520), (16, 4404985), (20, 3523988), (26, 2710760), (40, 1761994), (52, 1355380), (65, 1084304), (80, 880997), (104, 677690), (130, 542152), (169, 417040), (208, 338845), (260, 271076), (338, 208520), (401, 175760), (520, 135538), (676, 104260), (802, 87880), (845, 83408), (1040, 67769), (1352, 52130), (1604, 43940), (1690, 41704), (2005, 35152), (2197, 32080), (2704, 26065), (3208, 21970), (3380, 20852), (4010, 17576), (4394, 16040), (5213, 13520), (6416, 10985), (6760, 10426), (8020, 8788)]