142438720

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15349}}^1$

素因数の和:15395

約数の個数: 56

約数和(自身を含む): 350901000

約数和(自身を除く): 208462280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 9280, 15349, 30698, 61396, 76745, 122792, 153490, 245584, 306980, 445121, 491168, 613960, 890242, 982336, 1227920, 1780484, 2225605, 2455840, 3560968, 4451210, 4911680, 7121936, 8902420, 14243872, 17804840, 28487744, 35609680, 71219360, 142438720]

約数ペア:

[(1, 142438720), (2, 71219360), (4, 35609680), (5, 28487744), (8, 17804840), (10, 14243872), (16, 8902420), (20, 7121936), (29, 4911680), (32, 4451210), (40, 3560968), (58, 2455840), (64, 2225605), (80, 1780484), (116, 1227920), (145, 982336), (160, 890242), (232, 613960), (290, 491168), (320, 445121), (464, 306980), (580, 245584), (928, 153490), (1160, 122792), (1856, 76745), (2320, 61396), (4640, 30698), (9280, 15349)]