161720172

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1487}}^1$

素因数の和:1572

約数の個数: 96

約数和(自身を含む): 449971200

約数和(自身を除く): 288251028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 53, 54, 57, 76, 106, 108, 114, 159, 171, 212, 228, 318, 342, 477, 513, 636, 684, 954, 1007, 1026, 1431, 1487, 1908, 2014, 2052, 2862, 2974, 3021, 4028, 4461, 5724, 5948, 6042, 8922, 9063, 12084, 13383, 17844, 18126, 26766, 27189, 28253, 36252, 40149, 53532, 54378, 56506, 78811, 80298, 84759, 108756, 113012, 157622, 160596, 169518, 236433, 254277, 315244, 339036, 472866, 508554, 709299, 762831, 945732, 1017108, 1418598, 1497409, 1525662, 2127897, 2837196, 2994818, 3051324, 4255794, 4492227, 5989636, 8511588, 8984454, 13476681, 17968908, 26953362, 40430043, 53906724, 80860086, 161720172]

約数ペア:

[(1, 161720172), (2, 80860086), (3, 53906724), (4, 40430043), (6, 26953362), (9, 17968908), (12, 13476681), (18, 8984454), (19, 8511588), (27, 5989636), (36, 4492227), (38, 4255794), (53, 3051324), (54, 2994818), (57, 2837196), (76, 2127897), (106, 1525662), (108, 1497409), (114, 1418598), (159, 1017108), (171, 945732), (212, 762831), (228, 709299), (318, 508554), (342, 472866), (477, 339036), (513, 315244), (636, 254277), (684, 236433), (954, 169518), (1007, 160596), (1026, 157622), (1431, 113012), (1487, 108756), (1908, 84759), (2014, 80298), (2052, 78811), (2862, 56506), (2974, 54378), (3021, 53532), (4028, 40149), (4461, 36252), (5724, 28253), (5948, 27189), (6042, 26766), (8922, 18126), (9063, 17844), (12084, 13383)]