72845080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 207982080

約数和(自身を除く): 135137000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 67, 70, 77, 88, 110, 134, 140, 154, 220, 268, 280, 308, 335, 353, 385, 440, 469, 536, 616, 670, 706, 737, 770, 938, 1340, 1412, 1474, 1540, 1765, 1876, 2345, 2471, 2680, 2824, 2948, 3080, 3530, 3685, 3752, 3883, 4690, 4942, 5159, 5896, 7060, 7370, 7766, 9380, 9884, 10318, 12355, 14120, 14740, 15532, 18760, 19415, 19768, 20636, 23651, 24710, 25795, 27181, 29480, 31064, 38830, 41272, 47302, 49420, 51590, 54362, 77660, 94604, 98840, 103180, 108724, 118255, 135905, 155320, 165557, 189208, 206360, 217448, 236510, 260161, 271810, 331114, 473020, 520322, 543620, 662228, 827785, 946040, 1040644, 1087240, 1300805, 1324456, 1655570, 1821127, 2081288, 2601610, 3311140, 3642254, 5203220, 6622280, 7284508, 9105635, 10406440, 14569016, 18211270, 36422540, 72845080]

約数ペア:

[(1, 72845080), (2, 36422540), (4, 18211270), (5, 14569016), (7, 10406440), (8, 9105635), (10, 7284508), (11, 6622280), (14, 5203220), (20, 3642254), (22, 3311140), (28, 2601610), (35, 2081288), (40, 1821127), (44, 1655570), (55, 1324456), (56, 1300805), (67, 1087240), (70, 1040644), (77, 946040), (88, 827785), (110, 662228), (134, 543620), (140, 520322), (154, 473020), (220, 331114), (268, 271810), (280, 260161), (308, 236510), (335, 217448), (353, 206360), (385, 189208), (440, 165557), (469, 155320), (536, 135905), (616, 118255), (670, 108724), (706, 103180), (737, 98840), (770, 94604), (938, 77660), (1340, 54362), (1412, 51590), (1474, 49420), (1540, 47302), (1765, 41272), (1876, 38830), (2345, 31064), (2471, 29480), (2680, 27181), (2824, 25795), (2948, 24710), (3080, 23651), (3530, 20636), (3685, 19768), (3752, 19415), (3883, 18760), (4690, 15532), (4942, 14740), (5159, 14120), (5896, 12355), (7060, 10318), (7370, 9884), (7766, 9380)]