28145280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 91212480

約数和(自身を除く): 63067200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 137, 160, 192, 214, 240, 274, 320, 321, 384, 411, 428, 480, 535, 548, 640, 642, 685, 822, 856, 960, 1070, 1096, 1284, 1370, 1605, 1644, 1712, 1920, 2055, 2140, 2192, 2568, 2740, 3210, 3288, 3424, 4110, 4280, 4384, 5136, 5480, 6420, 6576, 6848, 8220, 8560, 8768, 10272, 10960, 12840, 13152, 13696, 14659, 16440, 17120, 17536, 20544, 21920, 25680, 26304, 29318, 32880, 34240, 41088, 43840, 43977, 51360, 52608, 58636, 65760, 68480, 73295, 87680, 87954, 102720, 117272, 131520, 146590, 175908, 205440, 219885, 234544, 263040, 293180, 351816, 439770, 469088, 586360, 703632, 879540, 938176, 1172720, 1407264, 1759080, 1876352, 2345440, 2814528, 3518160, 4690880, 5629056, 7036320, 9381760, 14072640, 28145280]

約数ペア:

[(1, 28145280), (2, 14072640), (3, 9381760), (4, 7036320), (5, 5629056), (6, 4690880), (8, 3518160), (10, 2814528), (12, 2345440), (15, 1876352), (16, 1759080), (20, 1407264), (24, 1172720), (30, 938176), (32, 879540), (40, 703632), (48, 586360), (60, 469088), (64, 439770), (80, 351816), (96, 293180), (107, 263040), (120, 234544), (128, 219885), (137, 205440), (160, 175908), (192, 146590), (214, 131520), (240, 117272), (274, 102720), (320, 87954), (321, 87680), (384, 73295), (411, 68480), (428, 65760), (480, 58636), (535, 52608), (548, 51360), (640, 43977), (642, 43840), (685, 41088), (822, 34240), (856, 32880), (960, 29318), (1070, 26304), (1096, 25680), (1284, 21920), (1370, 20544), (1605, 17536), (1644, 17120), (1712, 16440), (1920, 14659), (2055, 13696), (2140, 13152), (2192, 12840), (2568, 10960), (2740, 10272), (3210, 8768), (3288, 8560), (3424, 8220), (4110, 6848), (4280, 6576), (4384, 6420), (5136, 5480)]