31316320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{27961}}^1$

素因数の和:27983

約数の個数: 48

約数和(自身を含む): 84557088

約数和(自身を除く): 53240768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 27961, 55922, 111844, 139805, 195727, 223688, 279610, 391454, 447376, 559220, 782908, 894752, 978635, 1118440, 1565816, 1957270, 2236880, 3131632, 3914540, 4473760, 6263264, 7829080, 15658160, 31316320]

約数ペア:

[(1, 31316320), (2, 15658160), (4, 7829080), (5, 6263264), (7, 4473760), (8, 3914540), (10, 3131632), (14, 2236880), (16, 1957270), (20, 1565816), (28, 1118440), (32, 978635), (35, 894752), (40, 782908), (56, 559220), (70, 447376), (80, 391454), (112, 279610), (140, 223688), (160, 195727), (224, 139805), (280, 111844), (560, 55922), (1120, 27961)]