161811210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21319}}^1$

素因数の和:21363

約数の個数: 64

約数和(自身を含む): 442091520

約数和(自身を除く): 280280310

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 3795, 7590, 21319, 42638, 63957, 106595, 127914, 213190, 234509, 319785, 469018, 490337, 639570, 703527, 980674, 1172545, 1407054, 1471011, 2345090, 2451685, 2942022, 3517635, 4903370, 5393707, 7035270, 7355055, 10787414, 14710110, 16181121, 26968535, 32362242, 53937070, 80905605, 161811210]

約数ペア:

[(1, 161811210), (2, 80905605), (3, 53937070), (5, 32362242), (6, 26968535), (10, 16181121), (11, 14710110), (15, 10787414), (22, 7355055), (23, 7035270), (30, 5393707), (33, 4903370), (46, 3517635), (55, 2942022), (66, 2451685), (69, 2345090), (110, 1471011), (115, 1407054), (138, 1172545), (165, 980674), (230, 703527), (253, 639570), (330, 490337), (345, 469018), (506, 319785), (690, 234509), (759, 213190), (1265, 127914), (1518, 106595), (2530, 63957), (3795, 42638), (7590, 21319)]