320416564

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 633982272

約数和(自身を除く): 313565708

約数列:

[1, 2, 4, 13, 26, 43, 52, 73, 86, 146, 151, 169, 172, 292, 302, 338, 559, 604, 676, 949, 1118, 1898, 1963, 2236, 3139, 3796, 3926, 6278, 6493, 7267, 7852, 11023, 12337, 12556, 12986, 14534, 22046, 24674, 25519, 25972, 29068, 40807, 44092, 49348, 51038, 81614, 84409, 102076, 143299, 163228, 168818, 286598, 337636, 473989, 530491, 573196, 947978, 1060982, 1097317, 1862887, 1895956, 2121964, 2194634, 3725774, 4389268, 6161857, 7451548, 12323714, 24647428, 80104141, 160208282, 320416564]

約数ペア:

[(1, 320416564), (2, 160208282), (4, 80104141), (13, 24647428), (26, 12323714), (43, 7451548), (52, 6161857), (73, 4389268), (86, 3725774), (146, 2194634), (151, 2121964), (169, 1895956), (172, 1862887), (292, 1097317), (302, 1060982), (338, 947978), (559, 573196), (604, 530491), (676, 473989), (949, 337636), (1118, 286598), (1898, 168818), (1963, 163228), (2236, 143299), (3139, 102076), (3796, 84409), (3926, 81614), (6278, 51038), (6493, 49348), (7267, 44092), (7852, 40807), (11023, 29068), (12337, 25972), (12556, 25519), (12986, 24674), (14534, 22046)]