251329920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{587}}^1$

素因数の和:832

約数の個数: 128

約数和(自身を含む): 806077440

約数和(自身を除く): 554747520

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, 223, 240, 320, 384, 446, 480, 587, 640, 669, 892, 960, 1115, 1174, 1338, 1761, 1784, 1920, 2230, 2348, 2676, 2935, 3345, 3522, 3568, 4460, 4696, 5352, 5870, 6690, 7044, 7136, 8805, 8920, 9392, 10704, 11740, 13380, 14088, 14272, 17610, 17840, 18784, 21408, 23480, 26760, 28176, 28544, 35220, 35680, 37568, 42816, 46960, 53520, 56352, 70440, 71360, 75136, 85632, 93920, 107040, 112704, 130901, 140880, 142720, 187840, 214080, 225408, 261802, 281760, 375680, 392703, 428160, 523604, 563520, 654505, 785406, 1047208, 1127040, 1309010, 1570812, 1963515, 2094416, 2618020, 3141624, 3927030, 4188832, 5236040, 6283248, 7854060, 8377664, 10472080, 12566496, 15708120, 16755328, 20944160, 25132992, 31416240, 41888320, 50265984, 62832480, 83776640, 125664960, 251329920]

約数ペア:

[(1, 251329920), (2, 125664960), (3, 83776640), (4, 62832480), (5, 50265984), (6, 41888320), (8, 31416240), (10, 25132992), (12, 20944160), (15, 16755328), (16, 15708120), (20, 12566496), (24, 10472080), (30, 8377664), (32, 7854060), (40, 6283248), (48, 5236040), (60, 4188832), (64, 3927030), (80, 3141624), (96, 2618020), (120, 2094416), (128, 1963515), (160, 1570812), (192, 1309010), (223, 1127040), (240, 1047208), (320, 785406), (384, 654505), (446, 563520), (480, 523604), (587, 428160), (640, 392703), (669, 375680), (892, 281760), (960, 261802), (1115, 225408), (1174, 214080), (1338, 187840), (1761, 142720), (1784, 140880), (1920, 130901), (2230, 112704), (2348, 107040), (2676, 93920), (2935, 85632), (3345, 75136), (3522, 71360), (3568, 70440), (4460, 56352), (4696, 53520), (5352, 46960), (5870, 42816), (6690, 37568), (7044, 35680), (7136, 35220), (8805, 28544), (8920, 28176), (9392, 26760), (10704, 23480), (11740, 21408), (13380, 18784), (14088, 17840), (14272, 17610)]