281089920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:824

約数の個数: 128

約数和(自身を含む): 900888480

約数和(自身を除く): 619798560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 281, 320, 384, 480, 521, 562, 640, 843, 960, 1042, 1124, 1405, 1563, 1686, 1920, 2084, 2248, 2605, 2810, 3126, 3372, 4168, 4215, 4496, 5210, 5620, 6252, 6744, 7815, 8336, 8430, 8992, 10420, 11240, 12504, 13488, 15630, 16672, 16860, 17984, 20840, 22480, 25008, 26976, 31260, 33344, 33720, 35968, 41680, 44960, 50016, 53952, 62520, 66688, 67440, 83360, 89920, 100032, 107904, 125040, 134880, 146401, 166720, 179840, 200064, 250080, 269760, 292802, 333440, 439203, 500160, 539520, 585604, 732005, 878406, 1000320, 1171208, 1464010, 1756812, 2196015, 2342416, 2928020, 3513624, 4392030, 4684832, 5856040, 7027248, 8784060, 9369664, 11712080, 14054496, 17568120, 18739328, 23424160, 28108992, 35136240, 46848320, 56217984, 70272480, 93696640, 140544960, 281089920]

約数ペア:

[(1, 281089920), (2, 140544960), (3, 93696640), (4, 70272480), (5, 56217984), (6, 46848320), (8, 35136240), (10, 28108992), (12, 23424160), (15, 18739328), (16, 17568120), (20, 14054496), (24, 11712080), (30, 9369664), (32, 8784060), (40, 7027248), (48, 5856040), (60, 4684832), (64, 4392030), (80, 3513624), (96, 2928020), (120, 2342416), (128, 2196015), (160, 1756812), (192, 1464010), (240, 1171208), (281, 1000320), (320, 878406), (384, 732005), (480, 585604), (521, 539520), (562, 500160), (640, 439203), (843, 333440), (960, 292802), (1042, 269760), (1124, 250080), (1405, 200064), (1563, 179840), (1686, 166720), (1920, 146401), (2084, 134880), (2248, 125040), (2605, 107904), (2810, 100032), (3126, 89920), (3372, 83360), (4168, 67440), (4215, 66688), (4496, 62520), (5210, 53952), (5620, 50016), (6252, 44960), (6744, 41680), (7815, 35968), (8336, 33720), (8430, 33344), (8992, 31260), (10420, 26976), (11240, 25008), (12504, 22480), (13488, 20840), (15630, 17984), (16672, 16860)]