20128756470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{46187}}^1$

素因数の和:46469

約数の個数: 64

約数和(自身を含む): 49217932800

約数和(自身を除く): 29089176330

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 199, 219, 365, 398, 438, 597, 730, 995, 1095, 1194, 1990, 2190, 2985, 5970, 14527, 29054, 43581, 46187, 72635, 87162, 92374, 138561, 145270, 217905, 230935, 277122, 435810, 461870, 692805, 1385610, 3371651, 6743302, 9191213, 10114953, 16858255, 18382426, 20229906, 27573639, 33716510, 45956065, 50574765, 55147278, 91912130, 101149530, 137868195, 275736390, 670958549, 1341917098, 2012875647, 3354792745, 4025751294, 6709585490, 10064378235, 20128756470]

約数ペア:

[(1, 20128756470), (2, 10064378235), (3, 6709585490), (5, 4025751294), (6, 3354792745), (10, 2012875647), (15, 1341917098), (30, 670958549), (73, 275736390), (146, 137868195), (199, 101149530), (219, 91912130), (365, 55147278), (398, 50574765), (438, 45956065), (597, 33716510), (730, 27573639), (995, 20229906), (1095, 18382426), (1194, 16858255), (1990, 10114953), (2190, 9191213), (2985, 6743302), (5970, 3371651), (14527, 1385610), (29054, 692805), (43581, 461870), (46187, 435810), (72635, 277122), (87162, 230935), (92374, 217905), (138561, 145270)]