31345920

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{907}}^1$

素因数の和:937

約数の個数: 144

約数和(自身を含む): 111357120

約数和(自身を除く): 80011200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 907, 960, 1080, 1152, 1280, 1440, 1728, 1814, 1920, 2160, 2304, 2721, 2880, 3456, 3628, 3840, 4320, 4535, 5442, 5760, 6912, 7256, 8163, 8640, 9070, 10884, 11520, 13605, 14512, 16326, 17280, 18140, 21768, 24489, 27210, 29024, 32652, 34560, 36280, 40815, 43536, 48978, 54420, 58048, 65304, 72560, 81630, 87072, 97956, 108840, 116096, 122445, 130608, 145120, 163260, 174144, 195912, 217680, 232192, 244890, 261216, 290240, 326520, 348288, 391824, 435360, 489780, 522432, 580480, 653040, 696576, 783648, 870720, 979560, 1044864, 1160960, 1306080, 1567296, 1741440, 1959120, 2089728, 2612160, 3134592, 3482880, 3918240, 5224320, 6269184, 7836480, 10448640, 15672960, 31345920]

約数ペア:

[(1, 31345920), (2, 15672960), (3, 10448640), (4, 7836480), (5, 6269184), (6, 5224320), (8, 3918240), (9, 3482880), (10, 3134592), (12, 2612160), (15, 2089728), (16, 1959120), (18, 1741440), (20, 1567296), (24, 1306080), (27, 1160960), (30, 1044864), (32, 979560), (36, 870720), (40, 783648), (45, 696576), (48, 653040), (54, 580480), (60, 522432), (64, 489780), (72, 435360), (80, 391824), (90, 348288), (96, 326520), (108, 290240), (120, 261216), (128, 244890), (135, 232192), (144, 217680), (160, 195912), (180, 174144), (192, 163260), (216, 145120), (240, 130608), (256, 122445), (270, 116096), (288, 108840), (320, 97956), (360, 87072), (384, 81630), (432, 72560), (480, 65304), (540, 58048), (576, 54420), (640, 48978), (720, 43536), (768, 40815), (864, 36280), (907, 34560), (960, 32652), (1080, 29024), (1152, 27210), (1280, 24489), (1440, 21768), (1728, 18140), (1814, 17280), (1920, 16326), (2160, 14512), (2304, 13605), (2721, 11520), (2880, 10884), (3456, 9070), (3628, 8640), (3840, 8163), (4320, 7256), (4535, 6912), (5442, 5760)]