280910080

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 747024768

約数和(自身を除く): 466114688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 110, 128, 142, 160, 176, 220, 256, 281, 284, 320, 352, 355, 440, 562, 568, 640, 704, 710, 781, 880, 1124, 1136, 1280, 1405, 1408, 1420, 1562, 1760, 2248, 2272, 2810, 2816, 2840, 3091, 3124, 3520, 3905, 4496, 4544, 5620, 5680, 6182, 6248, 7040, 7810, 8992, 9088, 11240, 11360, 12364, 12496, 14080, 15455, 15620, 17984, 18176, 19951, 22480, 22720, 24728, 24992, 30910, 31240, 35968, 39902, 44960, 45440, 49456, 49984, 61820, 62480, 71936, 79804, 89920, 90880, 98912, 99755, 99968, 123640, 124960, 159608, 179840, 197824, 199510, 199936, 219461, 247280, 249920, 319216, 359680, 395648, 399020, 438922, 494560, 499840, 638432, 791296, 798040, 877844, 989120, 999680, 1097305, 1276864, 1596080, 1755688, 1978240, 2194610, 2553728, 3192160, 3511376, 3956480, 4389220, 5107456, 6384320, 7022752, 8778440, 12768640, 14045504, 17556880, 25537280, 28091008, 35113760, 56182016, 70227520, 140455040, 280910080]

約数ペア:

[(1, 280910080), (2, 140455040), (4, 70227520), (5, 56182016), (8, 35113760), (10, 28091008), (11, 25537280), (16, 17556880), (20, 14045504), (22, 12768640), (32, 8778440), (40, 7022752), (44, 6384320), (55, 5107456), (64, 4389220), (71, 3956480), (80, 3511376), (88, 3192160), (110, 2553728), (128, 2194610), (142, 1978240), (160, 1755688), (176, 1596080), (220, 1276864), (256, 1097305), (281, 999680), (284, 989120), (320, 877844), (352, 798040), (355, 791296), (440, 638432), (562, 499840), (568, 494560), (640, 438922), (704, 399020), (710, 395648), (781, 359680), (880, 319216), (1124, 249920), (1136, 247280), (1280, 219461), (1405, 199936), (1408, 199510), (1420, 197824), (1562, 179840), (1760, 159608), (2248, 124960), (2272, 123640), (2810, 99968), (2816, 99755), (2840, 98912), (3091, 90880), (3124, 89920), (3520, 79804), (3905, 71936), (4496, 62480), (4544, 61820), (5620, 49984), (5680, 49456), (6182, 45440), (6248, 44960), (7040, 39902), (7810, 35968), (8992, 31240), (9088, 30910), (11240, 24992), (11360, 24728), (12364, 22720), (12496, 22480), (14080, 19951), (15455, 18176), (15620, 17984)]