390266880

素因数分解:

$2^{16}\times 3^1\times 5^1\times {\mathrm{397}}^1$

素因数の和:437

約数の個数: 136

約数和(自身を含む): 1251990192

約数和(自身を除く): 861723312

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, 397, 480, 512, 640, 768, 794, 960, 1024, 1191, 1280, 1536, 1588, 1920, 1985, 2048, 2382, 2560, 3072, 3176, 3840, 3970, 4096, 4764, 5120, 5955, 6144, 6352, 7680, 7940, 8192, 9528, 10240, 11910, 12288, 12704, 15360, 15880, 16384, 19056, 20480, 23820, 24576, 25408, 30720, 31760, 32768, 38112, 40960, 47640, 49152, 50816, 61440, 63520, 65536, 76224, 81920, 95280, 98304, 101632, 122880, 127040, 152448, 163840, 190560, 196608, 203264, 245760, 254080, 304896, 327680, 381120, 406528, 491520, 508160, 609792, 762240, 813056, 983040, 1016320, 1219584, 1524480, 1626112, 2032640, 2439168, 3048960, 3252224, 4065280, 4878336, 6097920, 6504448, 8130560, 9756672, 12195840, 13008896, 16261120, 19513344, 24391680, 26017792, 32522240, 39026688, 48783360, 65044480, 78053376, 97566720, 130088960, 195133440, 390266880]

約数ペア:

[(1, 390266880), (2, 195133440), (3, 130088960), (4, 97566720), (5, 78053376), (6, 65044480), (8, 48783360), (10, 39026688), (12, 32522240), (15, 26017792), (16, 24391680), (20, 19513344), (24, 16261120), (30, 13008896), (32, 12195840), (40, 9756672), (48, 8130560), (60, 6504448), (64, 6097920), (80, 4878336), (96, 4065280), (120, 3252224), (128, 3048960), (160, 2439168), (192, 2032640), (240, 1626112), (256, 1524480), (320, 1219584), (384, 1016320), (397, 983040), (480, 813056), (512, 762240), (640, 609792), (768, 508160), (794, 491520), (960, 406528), (1024, 381120), (1191, 327680), (1280, 304896), (1536, 254080), (1588, 245760), (1920, 203264), (1985, 196608), (2048, 190560), (2382, 163840), (2560, 152448), (3072, 127040), (3176, 122880), (3840, 101632), (3970, 98304), (4096, 95280), (4764, 81920), (5120, 76224), (5955, 65536), (6144, 63520), (6352, 61440), (7680, 50816), (7940, 49152), (8192, 47640), (9528, 40960), (10240, 38112), (11910, 32768), (12288, 31760), (12704, 30720), (15360, 25408), (15880, 24576), (16384, 23820), (19056, 20480)]