1251540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 4029480

約数和(自身を除く): 2777940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 409, 510, 612, 765, 818, 1020, 1227, 1530, 1636, 2045, 2454, 3060, 3681, 4090, 4908, 6135, 6953, 7362, 8180, 12270, 13906, 14724, 18405, 20859, 24540, 27812, 34765, 36810, 41718, 62577, 69530, 73620, 83436, 104295, 125154, 139060, 208590, 250308, 312885, 417180, 625770, 1251540]

約数ペア:

[(1, 1251540), (2, 625770), (3, 417180), (4, 312885), (5, 250308), (6, 208590), (9, 139060), (10, 125154), (12, 104295), (15, 83436), (17, 73620), (18, 69530), (20, 62577), (30, 41718), (34, 36810), (36, 34765), (45, 27812), (51, 24540), (60, 20859), (68, 18405), (85, 14724), (90, 13906), (102, 12270), (153, 8180), (170, 7362), (180, 6953), (204, 6135), (255, 4908), (306, 4090), (340, 3681), (409, 3060), (510, 2454), (612, 2045), (765, 1636), (818, 1530), (1020, 1227)]