71782480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 160

約数和(自身を含む): 213700608

約数和(自身を除く): 141918128

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 80, 86, 88, 110, 112, 140, 154, 172, 176, 215, 220, 271, 280, 301, 308, 344, 385, 430, 440, 473, 542, 560, 602, 616, 688, 770, 860, 880, 946, 1084, 1204, 1232, 1355, 1505, 1540, 1720, 1892, 1897, 2168, 2365, 2408, 2710, 2981, 3010, 3080, 3311, 3440, 3784, 3794, 4336, 4730, 4816, 5420, 5962, 6020, 6160, 6622, 7568, 7588, 9460, 9485, 10840, 11653, 11924, 12040, 13244, 14905, 15176, 16555, 18920, 18970, 20867, 21680, 23306, 23848, 24080, 26488, 29810, 30352, 33110, 37840, 37940, 41734, 46612, 47696, 52976, 58265, 59620, 66220, 75880, 81571, 83468, 93224, 104335, 116530, 119240, 128183, 132440, 151760, 163142, 166936, 186448, 208670, 233060, 238480, 256366, 264880, 326284, 333872, 407855, 417340, 466120, 512732, 640915, 652568, 815710, 834680, 897281, 932240, 1025464, 1281830, 1305136, 1631420, 1669360, 1794562, 2050928, 2563660, 3262840, 3589124, 4486405, 5127320, 6525680, 7178248, 8972810, 10254640, 14356496, 17945620, 35891240, 71782480]

約数ペア:

[(1, 71782480), (2, 35891240), (4, 17945620), (5, 14356496), (7, 10254640), (8, 8972810), (10, 7178248), (11, 6525680), (14, 5127320), (16, 4486405), (20, 3589124), (22, 3262840), (28, 2563660), (35, 2050928), (40, 1794562), (43, 1669360), (44, 1631420), (55, 1305136), (56, 1281830), (70, 1025464), (77, 932240), (80, 897281), (86, 834680), (88, 815710), (110, 652568), (112, 640915), (140, 512732), (154, 466120), (172, 417340), (176, 407855), (215, 333872), (220, 326284), (271, 264880), (280, 256366), (301, 238480), (308, 233060), (344, 208670), (385, 186448), (430, 166936), (440, 163142), (473, 151760), (542, 132440), (560, 128183), (602, 119240), (616, 116530), (688, 104335), (770, 93224), (860, 83468), (880, 81571), (946, 75880), (1084, 66220), (1204, 59620), (1232, 58265), (1355, 52976), (1505, 47696), (1540, 46612), (1720, 41734), (1892, 37940), (1897, 37840), (2168, 33110), (2365, 30352), (2408, 29810), (2710, 26488), (2981, 24080), (3010, 23848), (3080, 23306), (3311, 21680), (3440, 20867), (3784, 18970), (3794, 18920), (4336, 16555), (4730, 15176), (4816, 14905), (5420, 13244), (5962, 12040), (6020, 11924), (6160, 11653), (6622, 10840), (7568, 9485), (7588, 9460)]