156775009880

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1087}}^1\times {\mathrm{18119}}^1$

素因数の和:19416

約数の個数: 64

約数和(自身を含む): 354862080000

約数和(自身を除く): 198087070120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1087, 1592, 1990, 2174, 3980, 4348, 5435, 7960, 8696, 10870, 18119, 21740, 36238, 43480, 72476, 90595, 144952, 181190, 216313, 362380, 432626, 724760, 865252, 1081565, 1730504, 2163130, 3605681, 4326260, 7211362, 8652520, 14422724, 18028405, 19695353, 28845448, 36056810, 39390706, 72113620, 78781412, 98476765, 144227240, 157562824, 196953530, 393907060, 787814120, 3919375247, 7838750494, 15677500988, 19596876235, 31355001976, 39193752470, 78387504940, 156775009880]

約数ペア:

[(1, 156775009880), (2, 78387504940), (4, 39193752470), (5, 31355001976), (8, 19596876235), (10, 15677500988), (20, 7838750494), (40, 3919375247), (199, 787814120), (398, 393907060), (796, 196953530), (995, 157562824), (1087, 144227240), (1592, 98476765), (1990, 78781412), (2174, 72113620), (3980, 39390706), (4348, 36056810), (5435, 28845448), (7960, 19695353), (8696, 18028405), (10870, 14422724), (18119, 8652520), (21740, 7211362), (36238, 4326260), (43480, 3605681), (72476, 2163130), (90595, 1730504), (144952, 1081565), (181190, 865252), (216313, 724760), (362380, 432626)]