28738080

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2851}}^1$

素因数の和:2879

約数の個数: 144

約数和(自身を含む): 112117824

約数和(自身を除く): 83379744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 2851, 3360, 5040, 5702, 8553, 10080, 11404, 14255, 17106, 19957, 22808, 25659, 28510, 34212, 39914, 42765, 45616, 51318, 57020, 59871, 68424, 79828, 85530, 91232, 99785, 102636, 114040, 119742, 128295, 136848, 159656, 171060, 179613, 199570, 205272, 228080, 239484, 256590, 273696, 299355, 319312, 342120, 359226, 399140, 410544, 456160, 478968, 513180, 598710, 638624, 684240, 718452, 798280, 821088, 898065, 957936, 1026360, 1197420, 1368480, 1436904, 1596560, 1796130, 1915872, 2052720, 2394840, 2873808, 3193120, 3592260, 4105440, 4789680, 5747616, 7184520, 9579360, 14369040, 28738080]

約数ペア:

[(1, 28738080), (2, 14369040), (3, 9579360), (4, 7184520), (5, 5747616), (6, 4789680), (7, 4105440), (8, 3592260), (9, 3193120), (10, 2873808), (12, 2394840), (14, 2052720), (15, 1915872), (16, 1796130), (18, 1596560), (20, 1436904), (21, 1368480), (24, 1197420), (28, 1026360), (30, 957936), (32, 898065), (35, 821088), (36, 798280), (40, 718452), (42, 684240), (45, 638624), (48, 598710), (56, 513180), (60, 478968), (63, 456160), (70, 410544), (72, 399140), (80, 359226), (84, 342120), (90, 319312), (96, 299355), (105, 273696), (112, 256590), (120, 239484), (126, 228080), (140, 205272), (144, 199570), (160, 179613), (168, 171060), (180, 159656), (210, 136848), (224, 128295), (240, 119742), (252, 114040), (280, 102636), (288, 99785), (315, 91232), (336, 85530), (360, 79828), (420, 68424), (480, 59871), (504, 57020), (560, 51318), (630, 45616), (672, 42765), (720, 39914), (840, 34212), (1008, 28510), (1120, 25659), (1260, 22808), (1440, 19957), (1680, 17106), (2016, 14255), (2520, 11404), (2851, 10080), (3360, 8553), (5040, 5702)]