18615396720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77564153}}^1$

素因数の和:77564169

約数の個数: 40

約数和(自身を含む): 57707730576

約数和(自身を除く): 39092333856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77564153, 155128306, 232692459, 310256612, 387820765, 465384918, 620513224, 775641530, 930769836, 1163462295, 1241026448, 1551283060, 1861539672, 2326924590, 3102566120, 3723079344, 4653849180, 6205132240, 9307698360, 18615396720]

約数ペア:

[(1, 18615396720), (2, 9307698360), (3, 6205132240), (4, 4653849180), (5, 3723079344), (6, 3102566120), (8, 2326924590), (10, 1861539672), (12, 1551283060), (15, 1241026448), (16, 1163462295), (20, 930769836), (24, 775641530), (30, 620513224), (40, 465384918), (48, 387820765), (60, 310256612), (80, 232692459), (120, 155128306), (240, 77564153)]