213979440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{983}}^1$

素因数の和:1906

約数の個数: 80

約数和(自身を含む): 664743168

約数和(自身を除く): 450763728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 907, 983, 1814, 1966, 2721, 2949, 3628, 3932, 4535, 4915, 5442, 5898, 7256, 7864, 9070, 9830, 10884, 11796, 13605, 14512, 14745, 15728, 18140, 19660, 21768, 23592, 27210, 29490, 36280, 39320, 43536, 47184, 54420, 58980, 72560, 78640, 108840, 117960, 217680, 235920, 891581, 1783162, 2674743, 3566324, 4457905, 5349486, 7132648, 8915810, 10698972, 13373715, 14265296, 17831620, 21397944, 26747430, 35663240, 42795888, 53494860, 71326480, 106989720, 213979440]

約数ペア:

[(1, 213979440), (2, 106989720), (3, 71326480), (4, 53494860), (5, 42795888), (6, 35663240), (8, 26747430), (10, 21397944), (12, 17831620), (15, 14265296), (16, 13373715), (20, 10698972), (24, 8915810), (30, 7132648), (40, 5349486), (48, 4457905), (60, 3566324), (80, 2674743), (120, 1783162), (240, 891581), (907, 235920), (983, 217680), (1814, 117960), (1966, 108840), (2721, 78640), (2949, 72560), (3628, 58980), (3932, 54420), (4535, 47184), (4915, 43536), (5442, 39320), (5898, 36280), (7256, 29490), (7864, 27210), (9070, 23592), (9830, 21768), (10884, 19660), (11796, 18140), (13605, 15728), (14512, 14745)]