161813240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 374492160

約数和(自身を除く): 212678920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 127, 212, 254, 265, 424, 508, 530, 601, 635, 1016, 1060, 1202, 1270, 2120, 2404, 2540, 3005, 4808, 5080, 6010, 6731, 12020, 13462, 24040, 26924, 31853, 33655, 53848, 63706, 67310, 76327, 127412, 134620, 152654, 159265, 254824, 269240, 305308, 318530, 381635, 610616, 637060, 763270, 1274120, 1526540, 3053080, 4045331, 8090662, 16181324, 20226655, 32362648, 40453310, 80906620, 161813240]

約数ペア:

[(1, 161813240), (2, 80906620), (4, 40453310), (5, 32362648), (8, 20226655), (10, 16181324), (20, 8090662), (40, 4045331), (53, 3053080), (106, 1526540), (127, 1274120), (212, 763270), (254, 637060), (265, 610616), (424, 381635), (508, 318530), (530, 305308), (601, 269240), (635, 254824), (1016, 159265), (1060, 152654), (1202, 134620), (1270, 127412), (2120, 76327), (2404, 67310), (2540, 63706), (3005, 53848), (4808, 33655), (5080, 31853), (6010, 26924), (6731, 24040), (12020, 13462)]