154780240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113809}}^1$

素因数の和:113839

約数の個数: 40

約数和(自身を含む): 381035880

約数和(自身を除く): 226255640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 113809, 227618, 455236, 569045, 910472, 1138090, 1820944, 1934753, 2276180, 3869506, 4552360, 7739012, 9104720, 9673765, 15478024, 19347530, 30956048, 38695060, 77390120, 154780240]

約数ペア:

[(1, 154780240), (2, 77390120), (4, 38695060), (5, 30956048), (8, 19347530), (10, 15478024), (16, 9673765), (17, 9104720), (20, 7739012), (34, 4552360), (40, 3869506), (68, 2276180), (80, 1934753), (85, 1820944), (136, 1138090), (170, 910472), (272, 569045), (340, 455236), (680, 227618), (1360, 113809)]