161521020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{299113}}^1$

素因数の和:299131

約数の個数: 48

約数和(自身を含む): 502511520

約数和(自身を除く): 340990500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 299113, 598226, 897339, 1196452, 1495565, 1794678, 2692017, 2991130, 3589356, 4486695, 5384034, 5982260, 8076051, 8973390, 10768068, 13460085, 16152102, 17946780, 26920170, 32304204, 40380255, 53840340, 80760510, 161521020]

約数ペア:

[(1, 161521020), (2, 80760510), (3, 53840340), (4, 40380255), (5, 32304204), (6, 26920170), (9, 17946780), (10, 16152102), (12, 13460085), (15, 10768068), (18, 8973390), (20, 8076051), (27, 5982260), (30, 5384034), (36, 4486695), (45, 3589356), (54, 2991130), (60, 2692017), (90, 1794678), (108, 1495565), (135, 1196452), (180, 897339), (270, 598226), (540, 299113)]