172742820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{39439}}^1$

素因数の和:39524

約数の個数: 48

約数和(自身を含む): 490318080

約数和(自身を除く): 317575260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 39439, 78878, 118317, 157756, 197195, 236634, 394390, 473268, 591585, 788780, 1183170, 2366340, 2879047, 5758094, 8637141, 11516188, 14395235, 17274282, 28790470, 34548564, 43185705, 57580940, 86371410, 172742820]

約数ペア:

[(1, 172742820), (2, 86371410), (3, 57580940), (4, 43185705), (5, 34548564), (6, 28790470), (10, 17274282), (12, 14395235), (15, 11516188), (20, 8637141), (30, 5758094), (60, 2879047), (73, 2366340), (146, 1183170), (219, 788780), (292, 591585), (365, 473268), (438, 394390), (730, 236634), (876, 197195), (1095, 157756), (1460, 118317), (2190, 78878), (4380, 39439)]