208152120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2317

約数の個数: 128

約数和(自身を含む): 691130880

約数和(自身を除く): 482978760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 213, 220, 264, 284, 330, 355, 426, 440, 568, 660, 710, 781, 852, 1065, 1320, 1420, 1562, 1704, 2130, 2221, 2343, 2840, 3124, 3905, 4260, 4442, 4686, 6248, 6663, 7810, 8520, 8884, 9372, 11105, 11715, 13326, 15620, 17768, 18744, 22210, 23430, 24431, 26652, 31240, 33315, 44420, 46860, 48862, 53304, 66630, 73293, 88840, 93720, 97724, 122155, 133260, 146586, 157691, 195448, 244310, 266520, 293172, 315382, 366465, 473073, 488620, 586344, 630764, 732930, 788455, 946146, 977240, 1261528, 1465860, 1576910, 1734601, 1892292, 2365365, 2931720, 3153820, 3469202, 3784584, 4730730, 5203803, 6307640, 6938404, 8673005, 9461460, 10407606, 13876808, 17346010, 18922920, 20815212, 26019015, 34692020, 41630424, 52038030, 69384040, 104076060, 208152120]

約数ペア:

[(1, 208152120), (2, 104076060), (3, 69384040), (4, 52038030), (5, 41630424), (6, 34692020), (8, 26019015), (10, 20815212), (11, 18922920), (12, 17346010), (15, 13876808), (20, 10407606), (22, 9461460), (24, 8673005), (30, 6938404), (33, 6307640), (40, 5203803), (44, 4730730), (55, 3784584), (60, 3469202), (66, 3153820), (71, 2931720), (88, 2365365), (110, 1892292), (120, 1734601), (132, 1576910), (142, 1465860), (165, 1261528), (213, 977240), (220, 946146), (264, 788455), (284, 732930), (330, 630764), (355, 586344), (426, 488620), (440, 473073), (568, 366465), (660, 315382), (710, 293172), (781, 266520), (852, 244310), (1065, 195448), (1320, 157691), (1420, 146586), (1562, 133260), (1704, 122155), (2130, 97724), (2221, 93720), (2343, 88840), (2840, 73293), (3124, 66630), (3905, 53304), (4260, 48862), (4442, 46860), (4686, 44420), (6248, 33315), (6663, 31240), (7810, 26652), (8520, 24431), (8884, 23430), (9372, 22210), (11105, 18744), (11715, 17768), (13326, 15620)]