1291238820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{683}}^1$

素因数の和:1096

約数の個数: 144

約数和(自身を含む): 4078226880

約数和(自身を除く): 2786988060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 389, 405, 486, 540, 683, 778, 810, 972, 1167, 1215, 1366, 1556, 1620, 1945, 2049, 2334, 2430, 2732, 3415, 3501, 3890, 4098, 4668, 4860, 5835, 6147, 6830, 7002, 7780, 8196, 10245, 10503, 11670, 12294, 13660, 14004, 17505, 18441, 20490, 21006, 23340, 24588, 30735, 31509, 35010, 36882, 40980, 42012, 52515, 55323, 61470, 63018, 70020, 73764, 92205, 94527, 105030, 110646, 122940, 126036, 157545, 165969, 184410, 189054, 210060, 221292, 265687, 276615, 315090, 331938, 368820, 378108, 472635, 531374, 553230, 630180, 663876, 797061, 829845, 945270, 1062748, 1106460, 1328435, 1594122, 1659690, 1890540, 2391183, 2656870, 3188244, 3319380, 3985305, 4782366, 5313740, 7173549, 7970610, 9564732, 11955915, 14347098, 15941220, 21520647, 23911830, 28694196, 35867745, 43041294, 47823660, 64561941, 71735490, 86082588, 107603235, 129123882, 143470980, 215206470, 258247764, 322809705, 430412940, 645619410, 1291238820]

約数ペア:

[(1, 1291238820), (2, 645619410), (3, 430412940), (4, 322809705), (5, 258247764), (6, 215206470), (9, 143470980), (10, 129123882), (12, 107603235), (15, 86082588), (18, 71735490), (20, 64561941), (27, 47823660), (30, 43041294), (36, 35867745), (45, 28694196), (54, 23911830), (60, 21520647), (81, 15941220), (90, 14347098), (108, 11955915), (135, 9564732), (162, 7970610), (180, 7173549), (243, 5313740), (270, 4782366), (324, 3985305), (389, 3319380), (405, 3188244), (486, 2656870), (540, 2391183), (683, 1890540), (778, 1659690), (810, 1594122), (972, 1328435), (1167, 1106460), (1215, 1062748), (1366, 945270), (1556, 829845), (1620, 797061), (1945, 663876), (2049, 630180), (2334, 553230), (2430, 531374), (2732, 472635), (3415, 378108), (3501, 368820), (3890, 331938), (4098, 315090), (4668, 276615), (4860, 265687), (5835, 221292), (6147, 210060), (6830, 189054), (7002, 184410), (7780, 165969), (8196, 157545), (10245, 126036), (10503, 122940), (11670, 110646), (12294, 105030), (13660, 94527), (14004, 92205), (17505, 73764), (18441, 70020), (20490, 63018), (21006, 61470), (23340, 55323), (24588, 52515), (30735, 42012), (31509, 40980), (35010, 36882)]