81907740

素因数分解:

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

素因数の和:151699

約数の個数: 48

約数和(自身を含む): 254825760

約数和(自身を除く): 172918020

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, 151681, 303362, 455043, 606724, 758405, 910086, 1365129, 1516810, 1820172, 2275215, 2730258, 3033620, 4095387, 4550430, 5460516, 6825645, 8190774, 9100860, 13651290, 16381548, 20476935, 27302580, 40953870, 81907740]

約数ペア:

[(1, 81907740), (2, 40953870), (3, 27302580), (4, 20476935), (5, 16381548), (6, 13651290), (9, 9100860), (10, 8190774), (12, 6825645), (15, 5460516), (18, 4550430), (20, 4095387), (27, 3033620), (30, 2730258), (36, 2275215), (45, 1820172), (54, 1516810), (60, 1365129), (90, 910086), (108, 758405), (135, 606724), (180, 455043), (270, 303362), (540, 151681)]