51513120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:535

約数の個数: 144

約数和(自身を含む): 178319232

約数和(自身を除く): 126806112

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, 83, 90, 96, 120, 144, 160, 166, 180, 240, 249, 288, 332, 360, 415, 431, 480, 498, 664, 720, 747, 830, 862, 996, 1245, 1293, 1328, 1440, 1494, 1660, 1724, 1992, 2155, 2490, 2586, 2656, 2988, 3320, 3448, 3735, 3879, 3984, 4310, 4980, 5172, 5976, 6465, 6640, 6896, 7470, 7758, 7968, 8620, 9960, 10344, 11952, 12930, 13280, 13792, 14940, 15516, 17240, 19395, 19920, 20688, 23904, 25860, 29880, 31032, 34480, 35773, 38790, 39840, 41376, 51720, 59760, 62064, 68960, 71546, 77580, 103440, 107319, 119520, 124128, 143092, 155160, 178865, 206880, 214638, 286184, 310320, 321957, 357730, 429276, 536595, 572368, 620640, 643914, 715460, 858552, 1073190, 1144736, 1287828, 1430920, 1609785, 1717104, 2146380, 2575656, 2861840, 3219570, 3434208, 4292760, 5151312, 5723680, 6439140, 8585520, 10302624, 12878280, 17171040, 25756560, 51513120]

約数ペア:

[(1, 51513120), (2, 25756560), (3, 17171040), (4, 12878280), (5, 10302624), (6, 8585520), (8, 6439140), (9, 5723680), (10, 5151312), (12, 4292760), (15, 3434208), (16, 3219570), (18, 2861840), (20, 2575656), (24, 2146380), (30, 1717104), (32, 1609785), (36, 1430920), (40, 1287828), (45, 1144736), (48, 1073190), (60, 858552), (72, 715460), (80, 643914), (83, 620640), (90, 572368), (96, 536595), (120, 429276), (144, 357730), (160, 321957), (166, 310320), (180, 286184), (240, 214638), (249, 206880), (288, 178865), (332, 155160), (360, 143092), (415, 124128), (431, 119520), (480, 107319), (498, 103440), (664, 77580), (720, 71546), (747, 68960), (830, 62064), (862, 59760), (996, 51720), (1245, 41376), (1293, 39840), (1328, 38790), (1440, 35773), (1494, 34480), (1660, 31032), (1724, 29880), (1992, 25860), (2155, 23904), (2490, 20688), (2586, 19920), (2656, 19395), (2988, 17240), (3320, 15516), (3448, 14940), (3735, 13792), (3879, 13280), (3984, 12930), (4310, 11952), (4980, 10344), (5172, 9960), (5976, 8620), (6465, 7968), (6640, 7758), (6896, 7470)]