681777540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{34123}}^1$

素因数の和:34178

約数の個数: 96

約数和(自身を含む): 2178476160

約数和(自身を除く): 1496698620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1665, 1998, 2220, 3330, 3996, 4995, 6660, 9990, 19980, 34123, 68246, 102369, 136492, 170615, 204738, 307107, 341230, 409476, 511845, 614214, 682460, 921321, 1023690, 1228428, 1262551, 1535535, 1842642, 2047380, 2525102, 3071070, 3685284, 3787653, 4606605, 5050204, 6142140, 6312755, 7575306, 9213210, 11362959, 12625510, 15150612, 18426420, 18938265, 22725918, 25251020, 34088877, 37876530, 45451836, 56814795, 68177754, 75753060, 113629590, 136355508, 170444385, 227259180, 340888770, 681777540]

約数ペア:

[(1, 681777540), (2, 340888770), (3, 227259180), (4, 170444385), (5, 136355508), (6, 113629590), (9, 75753060), (10, 68177754), (12, 56814795), (15, 45451836), (18, 37876530), (20, 34088877), (27, 25251020), (30, 22725918), (36, 18938265), (37, 18426420), (45, 15150612), (54, 12625510), (60, 11362959), (74, 9213210), (90, 7575306), (108, 6312755), (111, 6142140), (135, 5050204), (148, 4606605), (180, 3787653), (185, 3685284), (222, 3071070), (270, 2525102), (333, 2047380), (370, 1842642), (444, 1535535), (540, 1262551), (555, 1228428), (666, 1023690), (740, 921321), (999, 682460), (1110, 614214), (1332, 511845), (1665, 409476), (1998, 341230), (2220, 307107), (3330, 204738), (3996, 170615), (4995, 136492), (6660, 102369), (9990, 68246), (19980, 34123)]