281905920

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{2719}}^1$

素因数の和:2752

約数の個数: 180

約数和(自身を含む): 1009081920

約数和(自身を除く): 727176000

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2592, 2719, 2880, 3240, 3456, 3840, 4320, 5184, 5438, 5760, 6480, 6912, 8157, 8640, 10368, 10876, 11520, 12960, 13595, 16314, 17280, 20736, 21752, 24471, 25920, 27190, 32628, 34560, 40785, 43504, 48942, 51840, 54380, 65256, 73413, 81570, 87008, 97884, 103680, 108760, 122355, 130512, 146826, 163140, 174016, 195768, 217520, 220239, 244710, 261024, 293652, 326280, 348032, 367065, 391536, 435040, 440478, 489420, 522048, 587304, 652560, 696064, 734130, 783072, 870080, 880956, 978840, 1044096, 1101195, 1174608, 1305120, 1468260, 1566144, 1740160, 1761912, 1957680, 2088192, 2202390, 2349216, 2610240, 2936520, 3132288, 3480320, 3523824, 3915360, 4404780, 4698432, 5220480, 5873040, 6264576, 7047648, 7830720, 8809560, 9396864, 10440960, 11746080, 14095296, 15661440, 17619120, 18793728, 23492160, 28190592, 31322880, 35238240, 46984320, 56381184, 70476480, 93968640, 140952960, 281905920]

約数ペア:

[(1, 281905920), (2, 140952960), (3, 93968640), (4, 70476480), (5, 56381184), (6, 46984320), (8, 35238240), (9, 31322880), (10, 28190592), (12, 23492160), (15, 18793728), (16, 17619120), (18, 15661440), (20, 14095296), (24, 11746080), (27, 10440960), (30, 9396864), (32, 8809560), (36, 7830720), (40, 7047648), (45, 6264576), (48, 5873040), (54, 5220480), (60, 4698432), (64, 4404780), (72, 3915360), (80, 3523824), (81, 3480320), (90, 3132288), (96, 2936520), (108, 2610240), (120, 2349216), (128, 2202390), (135, 2088192), (144, 1957680), (160, 1761912), (162, 1740160), (180, 1566144), (192, 1468260), (216, 1305120), (240, 1174608), (256, 1101195), (270, 1044096), (288, 978840), (320, 880956), (324, 870080), (360, 783072), (384, 734130), (405, 696064), (432, 652560), (480, 587304), (540, 522048), (576, 489420), (640, 440478), (648, 435040), (720, 391536), (768, 367065), (810, 348032), (864, 326280), (960, 293652), (1080, 261024), (1152, 244710), (1280, 220239), (1296, 217520), (1440, 195768), (1620, 174016), (1728, 163140), (1920, 146826), (2160, 130512), (2304, 122355), (2592, 108760), (2719, 103680), (2880, 97884), (3240, 87008), (3456, 81570), (3840, 73413), (4320, 65256), (5184, 54380), (5438, 51840), (5760, 48942), (6480, 43504), (6912, 40785), (8157, 34560), (8640, 32628), (10368, 27190), (10876, 25920), (11520, 24471), (12960, 21752), (13595, 20736), (16314, 17280)]