252120320

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3229}}^1$

素因数の和:3311

約数の個数: 72

約数和(自身を含む): 613997160

約数和(自身を除く): 361876840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 976, 1220, 1280, 1952, 2440, 3229, 3904, 4880, 6458, 7808, 9760, 12916, 15616, 16145, 19520, 25832, 32290, 39040, 51664, 64580, 78080, 103328, 129160, 196969, 206656, 258320, 393938, 413312, 516640, 787876, 826624, 984845, 1033280, 1575752, 1969690, 2066560, 3151504, 3939380, 4133120, 6303008, 7878760, 12606016, 15757520, 25212032, 31515040, 50424064, 63030080, 126060160, 252120320]

約数ペア:

[(1, 252120320), (2, 126060160), (4, 63030080), (5, 50424064), (8, 31515040), (10, 25212032), (16, 15757520), (20, 12606016), (32, 7878760), (40, 6303008), (61, 4133120), (64, 3939380), (80, 3151504), (122, 2066560), (128, 1969690), (160, 1575752), (244, 1033280), (256, 984845), (305, 826624), (320, 787876), (488, 516640), (610, 413312), (640, 393938), (976, 258320), (1220, 206656), (1280, 196969), (1952, 129160), (2440, 103328), (3229, 78080), (3904, 64580), (4880, 51664), (6458, 39040), (7808, 32290), (9760, 25832), (12916, 19520), (15616, 16145)]