397639680

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{809}}^1$

素因数の和:847

約数の個数: 128

約数和(自身を含む): 1274000400

約数和(自身を除く): 876360720

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, 240, 256, 320, 384, 480, 512, 640, 768, 809, 960, 1024, 1280, 1536, 1618, 1920, 2048, 2427, 2560, 3072, 3236, 3840, 4045, 4096, 4854, 5120, 6144, 6472, 7680, 8090, 8192, 9708, 10240, 12135, 12288, 12944, 15360, 16180, 16384, 19416, 20480, 24270, 24576, 25888, 30720, 32360, 32768, 38832, 40960, 48540, 49152, 51776, 61440, 64720, 77664, 81920, 97080, 98304, 103552, 122880, 129440, 155328, 163840, 194160, 207104, 245760, 258880, 310656, 388320, 414208, 491520, 517760, 621312, 776640, 828416, 1035520, 1242624, 1553280, 1656832, 2071040, 2485248, 3106560, 3313664, 4142080, 4970496, 6213120, 6627328, 8284160, 9940992, 12426240, 13254656, 16568320, 19881984, 24852480, 26509312, 33136640, 39763968, 49704960, 66273280, 79527936, 99409920, 132546560, 198819840, 397639680]

約数ペア:

[(1, 397639680), (2, 198819840), (3, 132546560), (4, 99409920), (5, 79527936), (6, 66273280), (8, 49704960), (10, 39763968), (12, 33136640), (15, 26509312), (16, 24852480), (20, 19881984), (24, 16568320), (30, 13254656), (32, 12426240), (40, 9940992), (48, 8284160), (60, 6627328), (64, 6213120), (80, 4970496), (96, 4142080), (120, 3313664), (128, 3106560), (160, 2485248), (192, 2071040), (240, 1656832), (256, 1553280), (320, 1242624), (384, 1035520), (480, 828416), (512, 776640), (640, 621312), (768, 517760), (809, 491520), (960, 414208), (1024, 388320), (1280, 310656), (1536, 258880), (1618, 245760), (1920, 207104), (2048, 194160), (2427, 163840), (2560, 155328), (3072, 129440), (3236, 122880), (3840, 103552), (4045, 98304), (4096, 97080), (4854, 81920), (5120, 77664), (6144, 64720), (6472, 61440), (7680, 51776), (8090, 49152), (8192, 48540), (9708, 40960), (10240, 38832), (12135, 32768), (12288, 32360), (12944, 30720), (15360, 25888), (16180, 24576), (16384, 24270), (19416, 20480)]