215877440

素因数分解:

$2^6\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1933}}^1$

素因数の和:2299

約数の個数: 56

約数和(自身を含む): 515797800

約数和(自身を除く): 299920360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 349, 698, 1396, 1745, 1933, 2792, 3490, 3866, 5584, 6980, 7732, 9665, 11168, 13960, 15464, 19330, 22336, 27920, 30928, 38660, 55840, 61856, 77320, 111680, 123712, 154640, 309280, 618560, 674617, 1349234, 2698468, 3373085, 5396936, 6746170, 10793872, 13492340, 21587744, 26984680, 43175488, 53969360, 107938720, 215877440]

約数ペア:

[(1, 215877440), (2, 107938720), (4, 53969360), (5, 43175488), (8, 26984680), (10, 21587744), (16, 13492340), (20, 10793872), (32, 6746170), (40, 5396936), (64, 3373085), (80, 2698468), (160, 1349234), (320, 674617), (349, 618560), (698, 309280), (1396, 154640), (1745, 123712), (1933, 111680), (2792, 77320), (3490, 61856), (3866, 55840), (5584, 38660), (6980, 30928), (7732, 27920), (9665, 22336), (11168, 19330), (13960, 15464)]