258138720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{25609}}^1$

素因数の和:25637

約数の個数: 144

約数和(自身を含む): 1006780320

約数和(自身を除く): 748641600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 25609, 51218, 76827, 102436, 128045, 153654, 179263, 204872, 230481, 256090, 307308, 358526, 384135, 409744, 460962, 512180, 537789, 614616, 717052, 768270, 819488, 896315, 921924, 1024360, 1075578, 1152405, 1229232, 1434104, 1536540, 1613367, 1792630, 1843848, 2048720, 2151156, 2304810, 2458464, 2688945, 2868208, 3073080, 3226734, 3585260, 3687696, 4097440, 4302312, 4609620, 5377890, 5736416, 6146160, 6453468, 7170520, 7375392, 8066835, 8604624, 9219240, 10755780, 12292320, 12906936, 14341040, 16133670, 17209248, 18438480, 21511560, 25813872, 28682080, 32267340, 36876960, 43023120, 51627744, 64534680, 86046240, 129069360, 258138720]

約数ペア:

[(1, 258138720), (2, 129069360), (3, 86046240), (4, 64534680), (5, 51627744), (6, 43023120), (7, 36876960), (8, 32267340), (9, 28682080), (10, 25813872), (12, 21511560), (14, 18438480), (15, 17209248), (16, 16133670), (18, 14341040), (20, 12906936), (21, 12292320), (24, 10755780), (28, 9219240), (30, 8604624), (32, 8066835), (35, 7375392), (36, 7170520), (40, 6453468), (42, 6146160), (45, 5736416), (48, 5377890), (56, 4609620), (60, 4302312), (63, 4097440), (70, 3687696), (72, 3585260), (80, 3226734), (84, 3073080), (90, 2868208), (96, 2688945), (105, 2458464), (112, 2304810), (120, 2151156), (126, 2048720), (140, 1843848), (144, 1792630), (160, 1613367), (168, 1536540), (180, 1434104), (210, 1229232), (224, 1152405), (240, 1075578), (252, 1024360), (280, 921924), (288, 896315), (315, 819488), (336, 768270), (360, 717052), (420, 614616), (480, 537789), (504, 512180), (560, 460962), (630, 409744), (672, 384135), (720, 358526), (840, 307308), (1008, 256090), (1120, 230481), (1260, 204872), (1440, 179263), (1680, 153654), (2016, 128045), (2520, 102436), (3360, 76827), (5040, 51218), (10080, 25609)]