78643200

素因数分解:

$2^{20}\times 3^1\times 5^2$

素因数の和:53

約数の個数: 126

約数和(自身を含む): 260046724

約数和(自身を除く): 181403524

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 600, 640, 768, 800, 960, 1024, 1200, 1280, 1536, 1600, 1920, 2048, 2400, 2560, 3072, 3200, 3840, 4096, 4800, 5120, 6144, 6400, 7680, 8192, 9600, 10240, 12288, 12800, 15360, 16384, 19200, 20480, 24576, 25600, 30720, 32768, 38400, 40960, 49152, 51200, 61440, 65536, 76800, 81920, 98304, 102400, 122880, 131072, 153600, 163840, 196608, 204800, 245760, 262144, 307200, 327680, 393216, 409600, 491520, 524288, 614400, 655360, 786432, 819200, 983040, 1048576, 1228800, 1310720, 1572864, 1638400, 1966080, 2457600, 2621440, 3145728, 3276800, 3932160, 4915200, 5242880, 6553600, 7864320, 9830400, 13107200, 15728640, 19660800, 26214400, 39321600, 78643200]

約数ペア:

[(1, 78643200), (2, 39321600), (3, 26214400), (4, 19660800), (5, 15728640), (6, 13107200), (8, 9830400), (10, 7864320), (12, 6553600), (15, 5242880), (16, 4915200), (20, 3932160), (24, 3276800), (25, 3145728), (30, 2621440), (32, 2457600), (40, 1966080), (48, 1638400), (50, 1572864), (60, 1310720), (64, 1228800), (75, 1048576), (80, 983040), (96, 819200), (100, 786432), (120, 655360), (128, 614400), (150, 524288), (160, 491520), (192, 409600), (200, 393216), (240, 327680), (256, 307200), (300, 262144), (320, 245760), (384, 204800), (400, 196608), (480, 163840), (512, 153600), (600, 131072), (640, 122880), (768, 102400), (800, 98304), (960, 81920), (1024, 76800), (1200, 65536), (1280, 61440), (1536, 51200), (1600, 49152), (1920, 40960), (2048, 38400), (2400, 32768), (2560, 30720), (3072, 25600), (3200, 24576), (3840, 20480), (4096, 19200), (4800, 16384), (5120, 15360), (6144, 12800), (6400, 12288), (7680, 10240), (8192, 9600)]