28139520

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{229}}^1$

素因数の和:263

約数の個数: 112

約数和(自身を含む): 90434160

約数和(自身を除く): 62294640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 229, 240, 256, 320, 384, 458, 480, 512, 640, 687, 768, 916, 960, 1024, 1145, 1280, 1374, 1536, 1832, 1920, 2048, 2290, 2560, 2748, 3072, 3435, 3664, 3840, 4096, 4580, 5120, 5496, 6144, 6870, 7328, 7680, 8192, 9160, 10240, 10992, 12288, 13740, 14656, 15360, 18320, 20480, 21984, 24576, 27480, 29312, 30720, 36640, 40960, 43968, 54960, 58624, 61440, 73280, 87936, 109920, 117248, 122880, 146560, 175872, 219840, 234496, 293120, 351744, 439680, 468992, 586240, 703488, 879360, 937984, 1172480, 1406976, 1758720, 1875968, 2344960, 2813952, 3517440, 4689920, 5627904, 7034880, 9379840, 14069760, 28139520]

約数ペア:

[(1, 28139520), (2, 14069760), (3, 9379840), (4, 7034880), (5, 5627904), (6, 4689920), (8, 3517440), (10, 2813952), (12, 2344960), (15, 1875968), (16, 1758720), (20, 1406976), (24, 1172480), (30, 937984), (32, 879360), (40, 703488), (48, 586240), (60, 468992), (64, 439680), (80, 351744), (96, 293120), (120, 234496), (128, 219840), (160, 175872), (192, 146560), (229, 122880), (240, 117248), (256, 109920), (320, 87936), (384, 73280), (458, 61440), (480, 58624), (512, 54960), (640, 43968), (687, 40960), (768, 36640), (916, 30720), (960, 29312), (1024, 27480), (1145, 24576), (1280, 21984), (1374, 20480), (1536, 18320), (1832, 15360), (1920, 14656), (2048, 13740), (2290, 12288), (2560, 10992), (2748, 10240), (3072, 9160), (3435, 8192), (3664, 7680), (3840, 7328), (4096, 6870), (4580, 6144), (5120, 5496)]