89979960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107119}}^1$

素因数の和:107140

約数の個数: 64

約数和(自身を含む): 308505600

約数和(自身を除く): 218525640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 107119, 214238, 321357, 428476, 535595, 642714, 749833, 856952, 1071190, 1285428, 1499666, 1606785, 2142380, 2249499, 2570856, 2999332, 3213570, 3749165, 4284760, 4498998, 5998664, 6427140, 7498330, 8997996, 11247495, 12854280, 14996660, 17995992, 22494990, 29993320, 44989980, 89979960]

約数ペア:

[(1, 89979960), (2, 44989980), (3, 29993320), (4, 22494990), (5, 17995992), (6, 14996660), (7, 12854280), (8, 11247495), (10, 8997996), (12, 7498330), (14, 6427140), (15, 5998664), (20, 4498998), (21, 4284760), (24, 3749165), (28, 3213570), (30, 2999332), (35, 2570856), (40, 2249499), (42, 2142380), (56, 1606785), (60, 1499666), (70, 1285428), (84, 1071190), (105, 856952), (120, 749833), (140, 642714), (168, 535595), (210, 428476), (280, 321357), (420, 214238), (840, 107119)]