215433960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{256469}}^1$

素因数の和:256490

約数の個数: 64

約数和(自身を含む): 738633600

約数和(自身を除く): 523199640

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, 256469, 512938, 769407, 1025876, 1282345, 1538814, 1795283, 2051752, 2564690, 3077628, 3590566, 3847035, 5129380, 5385849, 6155256, 7181132, 7694070, 8976415, 10258760, 10771698, 14362264, 15388140, 17952830, 21543396, 26929245, 30776280, 35905660, 43086792, 53858490, 71811320, 107716980, 215433960]

約数ペア:

[(1, 215433960), (2, 107716980), (3, 71811320), (4, 53858490), (5, 43086792), (6, 35905660), (7, 30776280), (8, 26929245), (10, 21543396), (12, 17952830), (14, 15388140), (15, 14362264), (20, 10771698), (21, 10258760), (24, 8976415), (28, 7694070), (30, 7181132), (35, 6155256), (40, 5385849), (42, 5129380), (56, 3847035), (60, 3590566), (70, 3077628), (84, 2564690), (105, 2051752), (120, 1795283), (140, 1538814), (168, 1282345), (210, 1025876), (280, 769407), (420, 512938), (840, 256469)]