247860

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{17}}^1$

素因数の和:44

約数の個数: 84

約数和(自身を含む): 826308

約数和(自身を除く): 578448

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 729, 765, 810, 918, 972, 1020, 1215, 1377, 1458, 1530, 1620, 1836, 2295, 2430, 2754, 2916, 3060, 3645, 4131, 4590, 4860, 5508, 6885, 7290, 8262, 9180, 12393, 13770, 14580, 16524, 20655, 24786, 27540, 41310, 49572, 61965, 82620, 123930, 247860]

約数ペア:

[(1, 247860), (2, 123930), (3, 82620), (4, 61965), (5, 49572), (6, 41310), (9, 27540), (10, 24786), (12, 20655), (15, 16524), (17, 14580), (18, 13770), (20, 12393), (27, 9180), (30, 8262), (34, 7290), (36, 6885), (45, 5508), (51, 4860), (54, 4590), (60, 4131), (68, 3645), (81, 3060), (85, 2916), (90, 2754), (102, 2430), (108, 2295), (135, 1836), (153, 1620), (162, 1530), (170, 1458), (180, 1377), (204, 1215), (243, 1020), (255, 972), (270, 918), (306, 810), (324, 765), (340, 729), (405, 612), (459, 540), (486, 510)]