281989120

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{281}}^1$

素因数の和:324

約数の個数: 156

約数和(自身を含む): 789972804

約数和(自身を除く): 507983684

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 281, 320, 392, 448, 490, 512, 560, 562, 640, 784, 896, 980, 1024, 1120, 1124, 1280, 1405, 1568, 1792, 1960, 1967, 2048, 2240, 2248, 2560, 2810, 3136, 3584, 3920, 3934, 4096, 4480, 4496, 5120, 5620, 6272, 7168, 7840, 7868, 8960, 8992, 9835, 10240, 11240, 12544, 13769, 14336, 15680, 15736, 17920, 17984, 19670, 20480, 22480, 25088, 27538, 28672, 31360, 31472, 35840, 35968, 39340, 44960, 50176, 55076, 62720, 62944, 68845, 71680, 71936, 78680, 89920, 100352, 110152, 125440, 125888, 137690, 143360, 143872, 157360, 179840, 200704, 220304, 250880, 251776, 275380, 287744, 314720, 359680, 440608, 501760, 503552, 550760, 575488, 629440, 719360, 881216, 1003520, 1007104, 1101520, 1150976, 1258880, 1438720, 1762432, 2014208, 2203040, 2517760, 2877440, 3524864, 4028416, 4406080, 5035520, 5754880, 7049728, 8056832, 8812160, 10071040, 14099456, 17624320, 20142080, 28198912, 35248640, 40284160, 56397824, 70497280, 140994560, 281989120]

約数ペア:

[(1, 281989120), (2, 140994560), (4, 70497280), (5, 56397824), (7, 40284160), (8, 35248640), (10, 28198912), (14, 20142080), (16, 17624320), (20, 14099456), (28, 10071040), (32, 8812160), (35, 8056832), (40, 7049728), (49, 5754880), (56, 5035520), (64, 4406080), (70, 4028416), (80, 3524864), (98, 2877440), (112, 2517760), (128, 2203040), (140, 2014208), (160, 1762432), (196, 1438720), (224, 1258880), (245, 1150976), (256, 1101520), (280, 1007104), (281, 1003520), (320, 881216), (392, 719360), (448, 629440), (490, 575488), (512, 550760), (560, 503552), (562, 501760), (640, 440608), (784, 359680), (896, 314720), (980, 287744), (1024, 275380), (1120, 251776), (1124, 250880), (1280, 220304), (1405, 200704), (1568, 179840), (1792, 157360), (1960, 143872), (1967, 143360), (2048, 137690), (2240, 125888), (2248, 125440), (2560, 110152), (2810, 100352), (3136, 89920), (3584, 78680), (3920, 71936), (3934, 71680), (4096, 68845), (4480, 62944), (4496, 62720), (5120, 55076), (5620, 50176), (6272, 44960), (7168, 39340), (7840, 35968), (7868, 35840), (8960, 31472), (8992, 31360), (9835, 28672), (10240, 27538), (11240, 25088), (12544, 22480), (13769, 20480), (14336, 19670), (15680, 17984), (15736, 17920)]