2172240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{431}}^1$

素因数の和:457

約数の個数: 120

約数和(自身を含む): 8356608

約数和(自身を除く): 6184368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 431, 504, 560, 630, 720, 840, 862, 1008, 1260, 1293, 1680, 1724, 2155, 2520, 2586, 3017, 3448, 3879, 4310, 5040, 5172, 6034, 6465, 6896, 7758, 8620, 9051, 10344, 12068, 12930, 15085, 15516, 17240, 18102, 19395, 20688, 24136, 25860, 27153, 30170, 31032, 34480, 36204, 38790, 45255, 48272, 51720, 54306, 60340, 62064, 72408, 77580, 90510, 103440, 108612, 120680, 135765, 144816, 155160, 181020, 217224, 241360, 271530, 310320, 362040, 434448, 543060, 724080, 1086120, 2172240]

約数ペア:

[(1, 2172240), (2, 1086120), (3, 724080), (4, 543060), (5, 434448), (6, 362040), (7, 310320), (8, 271530), (9, 241360), (10, 217224), (12, 181020), (14, 155160), (15, 144816), (16, 135765), (18, 120680), (20, 108612), (21, 103440), (24, 90510), (28, 77580), (30, 72408), (35, 62064), (36, 60340), (40, 54306), (42, 51720), (45, 48272), (48, 45255), (56, 38790), (60, 36204), (63, 34480), (70, 31032), (72, 30170), (80, 27153), (84, 25860), (90, 24136), (105, 20688), (112, 19395), (120, 18102), (126, 17240), (140, 15516), (144, 15085), (168, 12930), (180, 12068), (210, 10344), (240, 9051), (252, 8620), (280, 7758), (315, 6896), (336, 6465), (360, 6034), (420, 5172), (431, 5040), (504, 4310), (560, 3879), (630, 3448), (720, 3017), (840, 2586), (862, 2520), (1008, 2155), (1260, 1724), (1293, 1680)]