18201720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151681}}^1$

素因数の和:151695

約数の個数: 32

約数和(自身を含む): 54605520

約数和(自身を除く): 36403800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151681, 303362, 455043, 606724, 758405, 910086, 1213448, 1516810, 1820172, 2275215, 3033620, 3640344, 4550430, 6067240, 9100860, 18201720]

約数ペア:

[(1, 18201720), (2, 9100860), (3, 6067240), (4, 4550430), (5, 3640344), (6, 3033620), (8, 2275215), (10, 1820172), (12, 1516810), (15, 1213448), (20, 910086), (24, 758405), (30, 606724), (40, 455043), (60, 303362), (120, 151681)]