17506720720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{86257}}^1$

素因数の和:86372

約数の個数: 80

約数和(自身を含む): 42356128320

約数和(自身を除く): 24849407600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 59, 80, 86, 118, 172, 215, 236, 295, 344, 430, 472, 590, 688, 860, 944, 1180, 1720, 2360, 2537, 3440, 4720, 5074, 10148, 12685, 20296, 25370, 40592, 50740, 86257, 101480, 172514, 202960, 345028, 431285, 690056, 862570, 1380112, 1725140, 3450280, 3709051, 5089163, 6900560, 7418102, 10178326, 14836204, 18545255, 20356652, 25445815, 29672408, 37090510, 40713304, 50891630, 59344816, 74181020, 81426608, 101783260, 148362040, 203566520, 218834009, 296724080, 407133040, 437668018, 875336036, 1094170045, 1750672072, 2188340090, 3501344144, 4376680180, 8753360360, 17506720720]

約数ペア:

[(1, 17506720720), (2, 8753360360), (4, 4376680180), (5, 3501344144), (8, 2188340090), (10, 1750672072), (16, 1094170045), (20, 875336036), (40, 437668018), (43, 407133040), (59, 296724080), (80, 218834009), (86, 203566520), (118, 148362040), (172, 101783260), (215, 81426608), (236, 74181020), (295, 59344816), (344, 50891630), (430, 40713304), (472, 37090510), (590, 29672408), (688, 25445815), (860, 20356652), (944, 18545255), (1180, 14836204), (1720, 10178326), (2360, 7418102), (2537, 6900560), (3440, 5089163), (4720, 3709051), (5074, 3450280), (10148, 1725140), (12685, 1380112), (20296, 862570), (25370, 690056), (40592, 431285), (50740, 345028), (86257, 202960), (101480, 172514)]