201511625

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:112

約数の個数: 128

約数和(自身を含む): 345047040

約数和(自身を除く): 143535415

約数列:

[1, 5, 7, 17, 19, 23, 25, 31, 35, 85, 95, 115, 119, 125, 133, 155, 161, 175, 217, 323, 391, 425, 437, 475, 527, 575, 589, 595, 665, 713, 775, 805, 875, 1085, 1615, 1955, 2125, 2185, 2261, 2375, 2635, 2737, 2875, 2945, 2975, 3059, 3325, 3565, 3689, 3875, 4025, 4123, 4991, 5425, 7429, 8075, 9775, 10013, 10925, 11305, 12121, 13175, 13547, 13685, 14725, 14875, 15295, 16625, 17825, 18445, 20125, 20615, 24955, 27125, 37145, 40375, 48875, 50065, 52003, 54625, 56525, 60605, 65875, 67735, 68425, 70091, 73625, 76475, 84847, 89125, 92225, 94829, 103075, 124775, 185725, 230299, 250325, 260015, 282625, 303025, 338675, 342125, 350455, 382375, 424235, 461125, 474145, 515375, 623875, 928625, 1151495, 1251625, 1300075, 1515125, 1612093, 1693375, 1752275, 2121175, 2370725, 5757475, 6500375, 8060465, 8761375, 10605875, 11853625, 28787375, 40302325, 201511625]

約数ペア:

[(1, 201511625), (5, 40302325), (7, 28787375), (17, 11853625), (19, 10605875), (23, 8761375), (25, 8060465), (31, 6500375), (35, 5757475), (85, 2370725), (95, 2121175), (115, 1752275), (119, 1693375), (125, 1612093), (133, 1515125), (155, 1300075), (161, 1251625), (175, 1151495), (217, 928625), (323, 623875), (391, 515375), (425, 474145), (437, 461125), (475, 424235), (527, 382375), (575, 350455), (589, 342125), (595, 338675), (665, 303025), (713, 282625), (775, 260015), (805, 250325), (875, 230299), (1085, 185725), (1615, 124775), (1955, 103075), (2125, 94829), (2185, 92225), (2261, 89125), (2375, 84847), (2635, 76475), (2737, 73625), (2875, 70091), (2945, 68425), (2975, 67735), (3059, 65875), (3325, 60605), (3565, 56525), (3689, 54625), (3875, 52003), (4025, 50065), (4123, 48875), (4991, 40375), (5425, 37145), (7429, 27125), (8075, 24955), (9775, 20615), (10013, 20125), (10925, 18445), (11305, 17825), (12121, 16625), (13175, 15295), (13547, 14875), (13685, 14725)]