257426640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{119179}}^1$

素因数の和:119201

約数の個数: 80

約数和(自身を含む): 886699200

約数和(自身を除く): 629272560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 119179, 238358, 357537, 476716, 595895, 715074, 953432, 1072611, 1191790, 1430148, 1787685, 1906864, 2145222, 2383580, 2860296, 3217833, 3575370, 4290444, 4767160, 5363055, 5720592, 6435666, 7150740, 8580888, 9534320, 10726110, 12871332, 14301480, 16089165, 17161776, 21452220, 25742664, 28602960, 32178330, 42904440, 51485328, 64356660, 85808880, 128713320, 257426640]

約数ペア:

[(1, 257426640), (2, 128713320), (3, 85808880), (4, 64356660), (5, 51485328), (6, 42904440), (8, 32178330), (9, 28602960), (10, 25742664), (12, 21452220), (15, 17161776), (16, 16089165), (18, 14301480), (20, 12871332), (24, 10726110), (27, 9534320), (30, 8580888), (36, 7150740), (40, 6435666), (45, 5720592), (48, 5363055), (54, 4767160), (60, 4290444), (72, 3575370), (80, 3217833), (90, 2860296), (108, 2383580), (120, 2145222), (135, 1906864), (144, 1787685), (180, 1430148), (216, 1191790), (240, 1072611), (270, 953432), (360, 715074), (432, 595895), (540, 476716), (720, 357537), (1080, 238358), (2160, 119179)]