399851520

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{1627}}^1$

素因数の和:1663

約数の個数: 120

約数和(自身を含む): 1280272224

約数和(自身を除く): 880420704

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, 960, 1024, 1280, 1536, 1627, 1920, 2048, 2560, 3072, 3254, 3840, 4096, 4881, 5120, 6144, 6508, 7680, 8135, 8192, 9762, 10240, 12288, 13016, 15360, 16270, 16384, 19524, 20480, 24405, 24576, 26032, 30720, 32540, 39048, 40960, 48810, 49152, 52064, 61440, 65080, 78096, 81920, 97620, 104128, 122880, 130160, 156192, 195240, 208256, 245760, 260320, 312384, 390480, 416512, 520640, 624768, 780960, 833024, 1041280, 1249536, 1561920, 1666048, 2082560, 2499072, 3123840, 3332096, 4165120, 4998144, 6247680, 6664192, 8330240, 9996288, 12495360, 13328384, 16660480, 19992576, 24990720, 26656768, 33320960, 39985152, 49981440, 66641920, 79970304, 99962880, 133283840, 199925760, 399851520]

約数ペア:

[(1, 399851520), (2, 199925760), (3, 133283840), (4, 99962880), (5, 79970304), (6, 66641920), (8, 49981440), (10, 39985152), (12, 33320960), (15, 26656768), (16, 24990720), (20, 19992576), (24, 16660480), (30, 13328384), (32, 12495360), (40, 9996288), (48, 8330240), (60, 6664192), (64, 6247680), (80, 4998144), (96, 4165120), (120, 3332096), (128, 3123840), (160, 2499072), (192, 2082560), (240, 1666048), (256, 1561920), (320, 1249536), (384, 1041280), (480, 833024), (512, 780960), (640, 624768), (768, 520640), (960, 416512), (1024, 390480), (1280, 312384), (1536, 260320), (1627, 245760), (1920, 208256), (2048, 195240), (2560, 156192), (3072, 130160), (3254, 122880), (3840, 104128), (4096, 97620), (4881, 81920), (5120, 78096), (6144, 65080), (6508, 61440), (7680, 52064), (8135, 49152), (8192, 48810), (9762, 40960), (10240, 39048), (12288, 32540), (13016, 30720), (15360, 26032), (16270, 24576), (16384, 24405), (19524, 20480)]