260210720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21121}}^1$

素因数の和:21154

約数の個数: 96

約数和(自身を含む): 766475136

約数和(自身を除く): 506264416

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 21121, 42242, 84484, 105605, 147847, 168968, 211210, 232331, 295694, 337936, 422420, 464662, 591388, 675872, 739235, 844840, 929324, 1161655, 1182776, 1478470, 1626317, 1689680, 1858648, 2323310, 2365552, 2956940, 3252634, 3379360, 3717296, 4646620, 4731104, 5913880, 6505268, 7434592, 8131585, 9293240, 11827760, 13010536, 16263170, 18586480, 23655520, 26021072, 32526340, 37172960, 52042144, 65052680, 130105360, 260210720]

約数ペア:

[(1, 260210720), (2, 130105360), (4, 65052680), (5, 52042144), (7, 37172960), (8, 32526340), (10, 26021072), (11, 23655520), (14, 18586480), (16, 16263170), (20, 13010536), (22, 11827760), (28, 9293240), (32, 8131585), (35, 7434592), (40, 6505268), (44, 5913880), (55, 4731104), (56, 4646620), (70, 3717296), (77, 3379360), (80, 3252634), (88, 2956940), (110, 2365552), (112, 2323310), (140, 1858648), (154, 1689680), (160, 1626317), (176, 1478470), (220, 1182776), (224, 1161655), (280, 929324), (308, 844840), (352, 739235), (385, 675872), (440, 591388), (560, 464662), (616, 422420), (770, 337936), (880, 295694), (1120, 232331), (1232, 211210), (1540, 168968), (1760, 147847), (2464, 105605), (3080, 84484), (6160, 42242), (12320, 21121)]