1566302980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{90121}}^1$

素因数の和:90220

約数の個数: 48

約数和(自身を含む): 3633719040

約数和(自身を除く): 2067416060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 90121, 180242, 360484, 450605, 901210, 991331, 1802420, 1982662, 3965324, 4956655, 7119559, 9913310, 14239118, 19826620, 28478236, 35597795, 71195590, 78315149, 142391180, 156630298, 313260596, 391575745, 783151490, 1566302980]

約数ペア:

[(1, 1566302980), (2, 783151490), (4, 391575745), (5, 313260596), (10, 156630298), (11, 142391180), (20, 78315149), (22, 71195590), (44, 35597795), (55, 28478236), (79, 19826620), (110, 14239118), (158, 9913310), (220, 7119559), (316, 4956655), (395, 3965324), (790, 1982662), (869, 1802420), (1580, 991331), (1738, 901210), (3476, 450605), (4345, 360484), (8690, 180242), (17380, 90121)]