217221120

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{2357}}^1$

素因数の和:2390

約数の個数: 144

約数和(自身を含む): 753168780

約数和(自身を除く): 535947660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2357, 2560, 2880, 3072, 3840, 4608, 4714, 5120, 5760, 6144, 7071, 7680, 9216, 9428, 10240, 11520, 11785, 14142, 15360, 18432, 18856, 21213, 23040, 23570, 28284, 30720, 35355, 37712, 42426, 46080, 47140, 56568, 70710, 75424, 84852, 92160, 94280, 106065, 113136, 141420, 150848, 169704, 188560, 212130, 226272, 282840, 301696, 339408, 377120, 424260, 452544, 565680, 603392, 678816, 754240, 848520, 905088, 1131360, 1206784, 1357632, 1508480, 1697040, 1810176, 2262720, 2413568, 2715264, 3016960, 3394080, 3620352, 4525440, 4827136, 5430528, 6033920, 6788160, 7240704, 9050880, 10861056, 12067840, 13576320, 14481408, 18101760, 21722112, 24135680, 27152640, 36203520, 43444224, 54305280, 72407040, 108610560, 217221120]

約数ペア:

[(1, 217221120), (2, 108610560), (3, 72407040), (4, 54305280), (5, 43444224), (6, 36203520), (8, 27152640), (9, 24135680), (10, 21722112), (12, 18101760), (15, 14481408), (16, 13576320), (18, 12067840), (20, 10861056), (24, 9050880), (30, 7240704), (32, 6788160), (36, 6033920), (40, 5430528), (45, 4827136), (48, 4525440), (60, 3620352), (64, 3394080), (72, 3016960), (80, 2715264), (90, 2413568), (96, 2262720), (120, 1810176), (128, 1697040), (144, 1508480), (160, 1357632), (180, 1206784), (192, 1131360), (240, 905088), (256, 848520), (288, 754240), (320, 678816), (360, 603392), (384, 565680), (480, 452544), (512, 424260), (576, 377120), (640, 339408), (720, 301696), (768, 282840), (960, 226272), (1024, 212130), (1152, 188560), (1280, 169704), (1440, 150848), (1536, 141420), (1920, 113136), (2048, 106065), (2304, 94280), (2357, 92160), (2560, 84852), (2880, 75424), (3072, 70710), (3840, 56568), (4608, 47140), (4714, 46080), (5120, 42426), (5760, 37712), (6144, 35355), (7071, 30720), (7680, 28284), (9216, 23570), (9428, 23040), (10240, 21213), (11520, 18856), (11785, 18432), (14142, 15360)]