51364040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 144668160

約数和(自身を除く): 93304120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 103, 104, 130, 137, 140, 182, 206, 260, 274, 280, 364, 412, 455, 515, 520, 548, 685, 721, 728, 824, 910, 959, 1030, 1096, 1339, 1370, 1442, 1781, 1820, 1918, 2060, 2678, 2740, 2884, 3562, 3605, 3640, 3836, 4120, 4795, 5356, 5480, 5768, 6695, 7124, 7210, 7672, 8905, 9373, 9590, 10712, 12467, 13390, 14111, 14248, 14420, 17810, 18746, 19180, 24934, 26780, 28222, 28840, 35620, 37492, 38360, 46865, 49868, 53560, 56444, 62335, 70555, 71240, 74984, 93730, 98777, 99736, 112888, 124670, 141110, 183443, 187460, 197554, 249340, 282220, 366886, 374920, 395108, 493885, 498680, 564440, 733772, 790216, 917215, 987770, 1284101, 1467544, 1834430, 1975540, 2568202, 3668860, 3951080, 5136404, 6420505, 7337720, 10272808, 12841010, 25682020, 51364040]

約数ペア:

[(1, 51364040), (2, 25682020), (4, 12841010), (5, 10272808), (7, 7337720), (8, 6420505), (10, 5136404), (13, 3951080), (14, 3668860), (20, 2568202), (26, 1975540), (28, 1834430), (35, 1467544), (40, 1284101), (52, 987770), (56, 917215), (65, 790216), (70, 733772), (91, 564440), (103, 498680), (104, 493885), (130, 395108), (137, 374920), (140, 366886), (182, 282220), (206, 249340), (260, 197554), (274, 187460), (280, 183443), (364, 141110), (412, 124670), (455, 112888), (515, 99736), (520, 98777), (548, 93730), (685, 74984), (721, 71240), (728, 70555), (824, 62335), (910, 56444), (959, 53560), (1030, 49868), (1096, 46865), (1339, 38360), (1370, 37492), (1442, 35620), (1781, 28840), (1820, 28222), (1918, 26780), (2060, 24934), (2678, 19180), (2740, 18746), (2884, 17810), (3562, 14420), (3605, 14248), (3640, 14111), (3836, 13390), (4120, 12467), (4795, 10712), (5356, 9590), (5480, 9373), (5768, 8905), (6695, 7672), (7124, 7210)]