20172661920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{32503}}^1$

素因数の和:32955

約数の個数: 144

約数和(自身を含む): 69001051392

約数和(自身を除く): 48828389472

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 431, 480, 720, 862, 1293, 1440, 1724, 2155, 2586, 3448, 3879, 4310, 5172, 6465, 6896, 7758, 8620, 10344, 12930, 13792, 15516, 17240, 19395, 20688, 25860, 31032, 32503, 34480, 38790, 41376, 51720, 62064, 65006, 68960, 77580, 97509, 103440, 124128, 130012, 155160, 162515, 195018, 206880, 260024, 292527, 310320, 325030, 390036, 487545, 520048, 585054, 620640, 650060, 780072, 975090, 1040096, 1170108, 1300120, 1462635, 1560144, 1950180, 2340216, 2600240, 2925270, 3120288, 3900360, 4680432, 5200480, 5850540, 7800720, 9360864, 11701080, 14008793, 15601440, 23402160, 28017586, 42026379, 46804320, 56035172, 70043965, 84052758, 112070344, 126079137, 140087930, 168105516, 210131895, 224140688, 252158274, 280175860, 336211032, 420263790, 448281376, 504316548, 560351720, 630395685, 672422064, 840527580, 1008633096, 1120703440, 1260791370, 1344844128, 1681055160, 2017266192, 2241406880, 2521582740, 3362110320, 4034532384, 5043165480, 6724220640, 10086330960, 20172661920]

約数ペア:

[(1, 20172661920), (2, 10086330960), (3, 6724220640), (4, 5043165480), (5, 4034532384), (6, 3362110320), (8, 2521582740), (9, 2241406880), (10, 2017266192), (12, 1681055160), (15, 1344844128), (16, 1260791370), (18, 1120703440), (20, 1008633096), (24, 840527580), (30, 672422064), (32, 630395685), (36, 560351720), (40, 504316548), (45, 448281376), (48, 420263790), (60, 336211032), (72, 280175860), (80, 252158274), (90, 224140688), (96, 210131895), (120, 168105516), (144, 140087930), (160, 126079137), (180, 112070344), (240, 84052758), (288, 70043965), (360, 56035172), (431, 46804320), (480, 42026379), (720, 28017586), (862, 23402160), (1293, 15601440), (1440, 14008793), (1724, 11701080), (2155, 9360864), (2586, 7800720), (3448, 5850540), (3879, 5200480), (4310, 4680432), (5172, 3900360), (6465, 3120288), (6896, 2925270), (7758, 2600240), (8620, 2340216), (10344, 1950180), (12930, 1560144), (13792, 1462635), (15516, 1300120), (17240, 1170108), (19395, 1040096), (20688, 975090), (25860, 780072), (31032, 650060), (32503, 620640), (34480, 585054), (38790, 520048), (41376, 487545), (51720, 390036), (62064, 325030), (65006, 310320), (68960, 292527), (77580, 260024), (97509, 206880), (103440, 195018), (124128, 162515), (130012, 155160)]