258480045

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 480729600

約数和(自身を除く): 222249555

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 103, 135, 145, 261, 309, 435, 515, 641, 783, 927, 1305, 1545, 1923, 2781, 2987, 3205, 3915, 4635, 5769, 8961, 9615, 13905, 14935, 17307, 18589, 26883, 28845, 44805, 55767, 66023, 80649, 86535, 92945, 134415, 167301, 198069, 278835, 330115, 403245, 501903, 594207, 836505, 990345, 1782621, 1914667, 2509515, 2971035, 5744001, 8913105, 9573335, 17232003, 28720005, 51696009, 86160015, 258480045]

約数ペア:

[(1, 258480045), (3, 86160015), (5, 51696009), (9, 28720005), (15, 17232003), (27, 9573335), (29, 8913105), (45, 5744001), (87, 2971035), (103, 2509515), (135, 1914667), (145, 1782621), (261, 990345), (309, 836505), (435, 594207), (515, 501903), (641, 403245), (783, 330115), (927, 278835), (1305, 198069), (1545, 167301), (1923, 134415), (2781, 92945), (2987, 86535), (3205, 80649), (3915, 66023), (4635, 55767), (5769, 44805), (8961, 28845), (9615, 26883), (13905, 18589), (14935, 17307)]