243501540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{238727}}^1$

素因数の和:238756

約数の個数: 48

約数和(自身を含む): 721913472

約数和(自身を除く): 478411932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 238727, 477454, 716181, 954908, 1193635, 1432362, 2387270, 2864724, 3580905, 4058359, 4774540, 7161810, 8116718, 12175077, 14323620, 16233436, 20291795, 24350154, 40583590, 48700308, 60875385, 81167180, 121750770, 243501540]

約数ペア:

[(1, 243501540), (2, 121750770), (3, 81167180), (4, 60875385), (5, 48700308), (6, 40583590), (10, 24350154), (12, 20291795), (15, 16233436), (17, 14323620), (20, 12175077), (30, 8116718), (34, 7161810), (51, 4774540), (60, 4058359), (68, 3580905), (85, 2864724), (102, 2387270), (170, 1432362), (204, 1193635), (255, 954908), (340, 716181), (510, 477454), (1020, 238727)]