257016480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{76493}}^1$

素因数の和:76518

約数の個数: 96

約数和(自身を含む): 925271424

約数和(自身を除く): 668254944

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, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 76493, 152986, 229479, 305972, 382465, 458958, 535451, 611944, 764930, 917916, 1070902, 1147395, 1223888, 1529860, 1606353, 1835832, 2141804, 2294790, 2447776, 2677255, 3059720, 3212706, 3671664, 4283608, 4589580, 5354510, 6119440, 6425412, 7343328, 8031765, 8567216, 9179160, 10709020, 12238880, 12850824, 16063530, 17134432, 18358320, 21418040, 25701648, 32127060, 36716640, 42836080, 51403296, 64254120, 85672160, 128508240, 257016480]

約数ペア:

[(1, 257016480), (2, 128508240), (3, 85672160), (4, 64254120), (5, 51403296), (6, 42836080), (7, 36716640), (8, 32127060), (10, 25701648), (12, 21418040), (14, 18358320), (15, 17134432), (16, 16063530), (20, 12850824), (21, 12238880), (24, 10709020), (28, 9179160), (30, 8567216), (32, 8031765), (35, 7343328), (40, 6425412), (42, 6119440), (48, 5354510), (56, 4589580), (60, 4283608), (70, 3671664), (80, 3212706), (84, 3059720), (96, 2677255), (105, 2447776), (112, 2294790), (120, 2141804), (140, 1835832), (160, 1606353), (168, 1529860), (210, 1223888), (224, 1147395), (240, 1070902), (280, 917916), (336, 764930), (420, 611944), (480, 535451), (560, 458958), (672, 382465), (840, 305972), (1120, 229479), (1680, 152986), (3360, 76493)]