207421440

素因数分解:

$2^{16}\times 3^1\times 5^1\times {\mathrm{211}}^1$

素因数の和:251

約数の個数: 136

約数和(自身を含む): 666889248

約数和(自身を除く): 459467808

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, 211, 240, 256, 320, 384, 422, 480, 512, 633, 640, 768, 844, 960, 1024, 1055, 1266, 1280, 1536, 1688, 1920, 2048, 2110, 2532, 2560, 3072, 3165, 3376, 3840, 4096, 4220, 5064, 5120, 6144, 6330, 6752, 7680, 8192, 8440, 10128, 10240, 12288, 12660, 13504, 15360, 16384, 16880, 20256, 20480, 24576, 25320, 27008, 30720, 32768, 33760, 40512, 40960, 49152, 50640, 54016, 61440, 65536, 67520, 81024, 81920, 98304, 101280, 108032, 122880, 135040, 162048, 163840, 196608, 202560, 216064, 245760, 270080, 324096, 327680, 405120, 432128, 491520, 540160, 648192, 810240, 864256, 983040, 1080320, 1296384, 1620480, 1728512, 2160640, 2592768, 3240960, 3457024, 4321280, 5185536, 6481920, 6914048, 8642560, 10371072, 12963840, 13828096, 17285120, 20742144, 25927680, 34570240, 41484288, 51855360, 69140480, 103710720, 207421440]

約数ペア:

[(1, 207421440), (2, 103710720), (3, 69140480), (4, 51855360), (5, 41484288), (6, 34570240), (8, 25927680), (10, 20742144), (12, 17285120), (15, 13828096), (16, 12963840), (20, 10371072), (24, 8642560), (30, 6914048), (32, 6481920), (40, 5185536), (48, 4321280), (60, 3457024), (64, 3240960), (80, 2592768), (96, 2160640), (120, 1728512), (128, 1620480), (160, 1296384), (192, 1080320), (211, 983040), (240, 864256), (256, 810240), (320, 648192), (384, 540160), (422, 491520), (480, 432128), (512, 405120), (633, 327680), (640, 324096), (768, 270080), (844, 245760), (960, 216064), (1024, 202560), (1055, 196608), (1266, 163840), (1280, 162048), (1536, 135040), (1688, 122880), (1920, 108032), (2048, 101280), (2110, 98304), (2532, 81920), (2560, 81024), (3072, 67520), (3165, 65536), (3376, 61440), (3840, 54016), (4096, 50640), (4220, 49152), (5064, 40960), (5120, 40512), (6144, 33760), (6330, 32768), (6752, 30720), (7680, 27008), (8192, 25320), (8440, 24576), (10128, 20480), (10240, 20256), (12288, 16880), (12660, 16384), (13504, 15360)]