520180128

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{138937}}^1$

素因数の和:138966

約数の個数: 72

約数和(自身を含む): 1593063108

約数和(自身を除く): 1072882980

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 138937, 277874, 416811, 555748, 833622, 1111496, 1250433, 1667244, 1806181, 2222992, 2500866, 3334488, 3612362, 4445984, 5001732, 5418543, 6668976, 7224724, 10003464, 10837086, 13337952, 14449448, 16255629, 20006928, 21674172, 28898896, 32511258, 40013856, 43348344, 57797792, 65022516, 86696688, 130045032, 173393376, 260090064, 520180128]

約数ペア:

[(1, 520180128), (2, 260090064), (3, 173393376), (4, 130045032), (6, 86696688), (8, 65022516), (9, 57797792), (12, 43348344), (13, 40013856), (16, 32511258), (18, 28898896), (24, 21674172), (26, 20006928), (32, 16255629), (36, 14449448), (39, 13337952), (48, 10837086), (52, 10003464), (72, 7224724), (78, 6668976), (96, 5418543), (104, 5001732), (117, 4445984), (144, 3612362), (156, 3334488), (208, 2500866), (234, 2222992), (288, 1806181), (312, 1667244), (416, 1250433), (468, 1111496), (624, 833622), (936, 555748), (1248, 416811), (1872, 277874), (3744, 138937)]