30959720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4139}}^1$

素因数の和:4178

約数の個数: 64

約数和(自身を含む): 80481600

約数和(自身を除く): 49521880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 4139, 7480, 8278, 16556, 20695, 33112, 41390, 45529, 70363, 82780, 91058, 140726, 165560, 182116, 227645, 281452, 351815, 364232, 455290, 562904, 703630, 773993, 910580, 1407260, 1547986, 1821160, 2814520, 3095972, 3869965, 6191944, 7739930, 15479860, 30959720]

約数ペア:

[(1, 30959720), (2, 15479860), (4, 7739930), (5, 6191944), (8, 3869965), (10, 3095972), (11, 2814520), (17, 1821160), (20, 1547986), (22, 1407260), (34, 910580), (40, 773993), (44, 703630), (55, 562904), (68, 455290), (85, 364232), (88, 351815), (110, 281452), (136, 227645), (170, 182116), (187, 165560), (220, 140726), (340, 91058), (374, 82780), (440, 70363), (680, 45529), (748, 41390), (935, 33112), (1496, 20695), (1870, 16556), (3740, 8278), (4139, 7480)]