212840880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{126691}}^1$

素因数の和:126714

約数の個数: 80

約数和(自身を含む): 754070784

約数和(自身を除く): 541229904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 126691, 253382, 380073, 506764, 633455, 760146, 886837, 1013528, 1266910, 1520292, 1773674, 1900365, 2027056, 2533820, 2660511, 3040584, 3547348, 3800730, 4434185, 5067640, 5321022, 6081168, 7094696, 7601460, 8868370, 10135280, 10642044, 13302555, 14189392, 15202920, 17736740, 21284088, 26605110, 30405840, 35473480, 42568176, 53210220, 70946960, 106420440, 212840880]

約数ペア:

[(1, 212840880), (2, 106420440), (3, 70946960), (4, 53210220), (5, 42568176), (6, 35473480), (7, 30405840), (8, 26605110), (10, 21284088), (12, 17736740), (14, 15202920), (15, 14189392), (16, 13302555), (20, 10642044), (21, 10135280), (24, 8868370), (28, 7601460), (30, 7094696), (35, 6081168), (40, 5321022), (42, 5067640), (48, 4434185), (56, 3800730), (60, 3547348), (70, 3040584), (80, 2660511), (84, 2533820), (105, 2027056), (112, 1900365), (120, 1773674), (140, 1520292), (168, 1266910), (210, 1013528), (240, 886837), (280, 760146), (336, 633455), (420, 506764), (560, 380073), (840, 253382), (1680, 126691)]