256388160

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{38153}}^1$

素因数の和:38180

約数の個数: 112

約数和(自身を含む): 930347136

約数和(自身を除く): 673958976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 38153, 76306, 114459, 152612, 190765, 228918, 267071, 305224, 381530, 457836, 534142, 572295, 610448, 763060, 801213, 915672, 1068284, 1144590, 1220896, 1335355, 1526120, 1602426, 1831344, 2136568, 2289180, 2441792, 2670710, 3052240, 3204852, 3662688, 4006065, 4273136, 4578360, 5341420, 6104480, 6409704, 7325376, 8012130, 8546272, 9156720, 10682840, 12208960, 12819408, 16024260, 17092544, 18313440, 21365680, 25638816, 32048520, 36626880, 42731360, 51277632, 64097040, 85462720, 128194080, 256388160]

約数ペア:

[(1, 256388160), (2, 128194080), (3, 85462720), (4, 64097040), (5, 51277632), (6, 42731360), (7, 36626880), (8, 32048520), (10, 25638816), (12, 21365680), (14, 18313440), (15, 17092544), (16, 16024260), (20, 12819408), (21, 12208960), (24, 10682840), (28, 9156720), (30, 8546272), (32, 8012130), (35, 7325376), (40, 6409704), (42, 6104480), (48, 5341420), (56, 4578360), (60, 4273136), (64, 4006065), (70, 3662688), (80, 3204852), (84, 3052240), (96, 2670710), (105, 2441792), (112, 2289180), (120, 2136568), (140, 1831344), (160, 1602426), (168, 1526120), (192, 1335355), (210, 1220896), (224, 1144590), (240, 1068284), (280, 915672), (320, 801213), (336, 763060), (420, 610448), (448, 572295), (480, 534142), (560, 457836), (672, 381530), (840, 305224), (960, 267071), (1120, 228918), (1344, 190765), (1680, 152612), (2240, 114459), (3360, 76306), (6720, 38153)]