28955880

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{331}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 98006400

約数和(自身を除く): 69050520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 331, 360, 405, 486, 540, 648, 662, 729, 810, 972, 993, 1080, 1215, 1324, 1458, 1620, 1655, 1944, 1986, 2187, 2430, 2648, 2916, 2979, 3240, 3310, 3645, 3972, 4374, 4860, 4965, 5832, 5958, 6620, 7290, 7944, 8748, 8937, 9720, 9930, 10935, 11916, 13240, 14580, 14895, 17496, 17874, 19860, 21870, 23832, 26811, 29160, 29790, 35748, 39720, 43740, 44685, 53622, 59580, 71496, 80433, 87480, 89370, 107244, 119160, 134055, 160866, 178740, 214488, 241299, 268110, 321732, 357480, 402165, 482598, 536220, 643464, 723897, 804330, 965196, 1072440, 1206495, 1447794, 1608660, 1930392, 2412990, 2895588, 3217320, 3619485, 4825980, 5791176, 7238970, 9651960, 14477940, 28955880]

約数ペア:

[(1, 28955880), (2, 14477940), (3, 9651960), (4, 7238970), (5, 5791176), (6, 4825980), (8, 3619485), (9, 3217320), (10, 2895588), (12, 2412990), (15, 1930392), (18, 1608660), (20, 1447794), (24, 1206495), (27, 1072440), (30, 965196), (36, 804330), (40, 723897), (45, 643464), (54, 536220), (60, 482598), (72, 402165), (81, 357480), (90, 321732), (108, 268110), (120, 241299), (135, 214488), (162, 178740), (180, 160866), (216, 134055), (243, 119160), (270, 107244), (324, 89370), (331, 87480), (360, 80433), (405, 71496), (486, 59580), (540, 53622), (648, 44685), (662, 43740), (729, 39720), (810, 35748), (972, 29790), (993, 29160), (1080, 26811), (1215, 23832), (1324, 21870), (1458, 19860), (1620, 17874), (1655, 17496), (1944, 14895), (1986, 14580), (2187, 13240), (2430, 11916), (2648, 10935), (2916, 9930), (2979, 9720), (3240, 8937), (3310, 8748), (3645, 7944), (3972, 7290), (4374, 6620), (4860, 5958), (4965, 5832)]