18171540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{3739}}^1$

素因数の和:3763

約数の個数: 72

約数和(自身を含む): 57177120

約数和(自身を除く): 39005580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 3739, 4860, 7478, 11217, 14956, 18695, 22434, 33651, 37390, 44868, 56085, 67302, 74780, 100953, 112170, 134604, 168255, 201906, 224340, 302859, 336510, 403812, 504765, 605718, 673020, 908577, 1009530, 1211436, 1514295, 1817154, 2019060, 3028590, 3634308, 4542885, 6057180, 9085770, 18171540]

約数ペア:

[(1, 18171540), (2, 9085770), (3, 6057180), (4, 4542885), (5, 3634308), (6, 3028590), (9, 2019060), (10, 1817154), (12, 1514295), (15, 1211436), (18, 1009530), (20, 908577), (27, 673020), (30, 605718), (36, 504765), (45, 403812), (54, 336510), (60, 302859), (81, 224340), (90, 201906), (108, 168255), (135, 134604), (162, 112170), (180, 100953), (243, 74780), (270, 67302), (324, 56085), (405, 44868), (486, 37390), (540, 33651), (810, 22434), (972, 18695), (1215, 14956), (1620, 11217), (2430, 7478), (3739, 4860)]