51486120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{20431}}^1$

素因数の和:20455

約数の個数: 96

約数和(自身を含む): 191243520

約数和(自身を除く): 139757400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 20431, 40862, 61293, 81724, 102155, 122586, 143017, 163448, 183879, 204310, 245172, 286034, 306465, 367758, 408620, 429051, 490344, 572068, 612930, 715085, 735516, 817240, 858102, 919395, 1144136, 1225860, 1287153, 1430170, 1471032, 1716204, 1838790, 2145255, 2451720, 2574306, 2860340, 3432408, 3677580, 4290510, 5148612, 5720680, 6435765, 7355160, 8581020, 10297224, 12871530, 17162040, 25743060, 51486120]

約数ペア:

[(1, 51486120), (2, 25743060), (3, 17162040), (4, 12871530), (5, 10297224), (6, 8581020), (7, 7355160), (8, 6435765), (9, 5720680), (10, 5148612), (12, 4290510), (14, 3677580), (15, 3432408), (18, 2860340), (20, 2574306), (21, 2451720), (24, 2145255), (28, 1838790), (30, 1716204), (35, 1471032), (36, 1430170), (40, 1287153), (42, 1225860), (45, 1144136), (56, 919395), (60, 858102), (63, 817240), (70, 735516), (72, 715085), (84, 612930), (90, 572068), (105, 490344), (120, 429051), (126, 408620), (140, 367758), (168, 306465), (180, 286034), (210, 245172), (252, 204310), (280, 183879), (315, 163448), (360, 143017), (420, 122586), (504, 102155), (630, 81724), (840, 61293), (1260, 40862), (2520, 20431)]