318013440

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 1019200320

約数和(自身を除く): 701186880

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, 647, 768, 960, 1024, 1280, 1294, 1536, 1920, 1941, 2048, 2560, 2588, 3072, 3235, 3840, 3882, 4096, 5120, 5176, 6144, 6470, 7680, 7764, 8192, 9705, 10240, 10352, 12288, 12940, 15360, 15528, 16384, 19410, 20480, 20704, 24576, 25880, 30720, 31056, 32768, 38820, 40960, 41408, 49152, 51760, 61440, 62112, 77640, 81920, 82816, 98304, 103520, 122880, 124224, 155280, 163840, 165632, 207040, 245760, 248448, 310560, 331264, 414080, 491520, 496896, 621120, 662528, 828160, 993792, 1242240, 1325056, 1656320, 1987584, 2484480, 2650112, 3312640, 3975168, 4968960, 5300224, 6625280, 7950336, 9937920, 10600448, 13250560, 15900672, 19875840, 21200896, 26501120, 31801344, 39751680, 53002240, 63602688, 79503360, 106004480, 159006720, 318013440]

約数ペア:

[(1, 318013440), (2, 159006720), (3, 106004480), (4, 79503360), (5, 63602688), (6, 53002240), (8, 39751680), (10, 31801344), (12, 26501120), (15, 21200896), (16, 19875840), (20, 15900672), (24, 13250560), (30, 10600448), (32, 9937920), (40, 7950336), (48, 6625280), (60, 5300224), (64, 4968960), (80, 3975168), (96, 3312640), (120, 2650112), (128, 2484480), (160, 1987584), (192, 1656320), (240, 1325056), (256, 1242240), (320, 993792), (384, 828160), (480, 662528), (512, 621120), (640, 496896), (647, 491520), (768, 414080), (960, 331264), (1024, 310560), (1280, 248448), (1294, 245760), (1536, 207040), (1920, 165632), (1941, 163840), (2048, 155280), (2560, 124224), (2588, 122880), (3072, 103520), (3235, 98304), (3840, 82816), (3882, 81920), (4096, 77640), (5120, 62112), (5176, 61440), (6144, 51760), (6470, 49152), (7680, 41408), (7764, 40960), (8192, 38820), (9705, 32768), (10240, 31056), (10352, 30720), (12288, 25880), (12940, 24576), (15360, 20704), (15528, 20480), (16384, 19410)]