306802720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{39133}}^1$

素因数の和:39162

約数の個数: 72

約数和(自身を含む): 843181164

約数和(自身を除く): 536378444

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 39133, 78266, 156532, 195665, 273931, 313064, 391330, 547862, 626128, 782660, 1095724, 1252256, 1369655, 1565320, 1917517, 2191448, 2739310, 3130640, 3835034, 4382896, 5478620, 6261280, 7670068, 8765792, 9587585, 10957240, 15340136, 19175170, 21914480, 30680272, 38350340, 43828960, 61360544, 76700680, 153401360, 306802720]

約数ペア:

[(1, 306802720), (2, 153401360), (4, 76700680), (5, 61360544), (7, 43828960), (8, 38350340), (10, 30680272), (14, 21914480), (16, 19175170), (20, 15340136), (28, 10957240), (32, 9587585), (35, 8765792), (40, 7670068), (49, 6261280), (56, 5478620), (70, 4382896), (80, 3835034), (98, 3130640), (112, 2739310), (140, 2191448), (160, 1917517), (196, 1565320), (224, 1369655), (245, 1252256), (280, 1095724), (392, 782660), (490, 626128), (560, 547862), (784, 391330), (980, 313064), (1120, 273931), (1568, 195665), (1960, 156532), (3920, 78266), (7840, 39133)]