28260480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 92534400

約数和(自身を除く): 64273920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 320, 328, 359, 384, 410, 480, 492, 615, 640, 656, 718, 820, 960, 984, 1077, 1230, 1312, 1436, 1640, 1795, 1920, 1968, 2154, 2460, 2624, 2872, 3280, 3590, 3936, 4308, 4920, 5248, 5385, 5744, 6560, 7180, 7872, 8616, 9840, 10770, 11488, 13120, 14360, 14719, 15744, 17232, 19680, 21540, 22976, 26240, 28720, 29438, 34464, 39360, 43080, 44157, 45952, 57440, 58876, 68928, 73595, 78720, 86160, 88314, 114880, 117752, 137856, 147190, 172320, 176628, 220785, 229760, 235504, 294380, 344640, 353256, 441570, 471008, 588760, 689280, 706512, 883140, 942016, 1177520, 1413024, 1766280, 1884032, 2355040, 2826048, 3532560, 4710080, 5652096, 7065120, 9420160, 14130240, 28260480]

約数ペア:

[(1, 28260480), (2, 14130240), (3, 9420160), (4, 7065120), (5, 5652096), (6, 4710080), (8, 3532560), (10, 2826048), (12, 2355040), (15, 1884032), (16, 1766280), (20, 1413024), (24, 1177520), (30, 942016), (32, 883140), (40, 706512), (41, 689280), (48, 588760), (60, 471008), (64, 441570), (80, 353256), (82, 344640), (96, 294380), (120, 235504), (123, 229760), (128, 220785), (160, 176628), (164, 172320), (192, 147190), (205, 137856), (240, 117752), (246, 114880), (320, 88314), (328, 86160), (359, 78720), (384, 73595), (410, 68928), (480, 58876), (492, 57440), (615, 45952), (640, 44157), (656, 43080), (718, 39360), (820, 34464), (960, 29438), (984, 28720), (1077, 26240), (1230, 22976), (1312, 21540), (1436, 19680), (1640, 17232), (1795, 15744), (1920, 14719), (1968, 14360), (2154, 13120), (2460, 11488), (2624, 10770), (2872, 9840), (3280, 8616), (3590, 7872), (3936, 7180), (4308, 6560), (4920, 5744), (5248, 5385)]