1820442840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{4969}}^1$

素因数の和:5097

約数の個数: 128

約数和(自身を含む): 5668185600

約数和(自身を除く): 3847742760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 71, 86, 120, 129, 142, 172, 213, 215, 258, 284, 344, 355, 426, 430, 516, 568, 645, 710, 852, 860, 1032, 1065, 1290, 1420, 1704, 1720, 2130, 2580, 2840, 3053, 4260, 4969, 5160, 6106, 8520, 9159, 9938, 12212, 14907, 15265, 18318, 19876, 24424, 24845, 29814, 30530, 36636, 39752, 45795, 49690, 59628, 61060, 73272, 74535, 91590, 99380, 119256, 122120, 149070, 183180, 198760, 213667, 298140, 352799, 366360, 427334, 596280, 641001, 705598, 854668, 1058397, 1068335, 1282002, 1411196, 1709336, 1763995, 2116794, 2136670, 2564004, 2822392, 3205005, 3527990, 4233588, 4273340, 5128008, 5291985, 6410010, 7055980, 8467176, 8546680, 10583970, 12820020, 14111960, 15170357, 21167940, 25640040, 30340714, 42335880, 45511071, 60681428, 75851785, 91022142, 121362856, 151703570, 182044284, 227555355, 303407140, 364088568, 455110710, 606814280, 910221420, 1820442840]

約数ペア:

[(1, 1820442840), (2, 910221420), (3, 606814280), (4, 455110710), (5, 364088568), (6, 303407140), (8, 227555355), (10, 182044284), (12, 151703570), (15, 121362856), (20, 91022142), (24, 75851785), (30, 60681428), (40, 45511071), (43, 42335880), (60, 30340714), (71, 25640040), (86, 21167940), (120, 15170357), (129, 14111960), (142, 12820020), (172, 10583970), (213, 8546680), (215, 8467176), (258, 7055980), (284, 6410010), (344, 5291985), (355, 5128008), (426, 4273340), (430, 4233588), (516, 3527990), (568, 3205005), (645, 2822392), (710, 2564004), (852, 2136670), (860, 2116794), (1032, 1763995), (1065, 1709336), (1290, 1411196), (1420, 1282002), (1704, 1068335), (1720, 1058397), (2130, 854668), (2580, 705598), (2840, 641001), (3053, 596280), (4260, 427334), (4969, 366360), (5160, 352799), (6106, 298140), (8520, 213667), (9159, 198760), (9938, 183180), (12212, 149070), (14907, 122120), (15265, 119256), (18318, 99380), (19876, 91590), (24424, 74535), (24845, 73272), (29814, 61060), (30530, 59628), (36636, 49690), (39752, 45795)]