164647120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:341

約数の個数: 120

約数和(自身を含む): 428363208

約数和(自身を除く): 263716088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 121, 146, 176, 220, 233, 242, 292, 365, 440, 466, 484, 584, 605, 730, 803, 880, 932, 968, 1165, 1168, 1210, 1460, 1606, 1864, 1936, 2330, 2420, 2563, 2920, 3212, 3728, 4015, 4660, 4840, 5126, 5840, 6424, 8030, 8833, 9320, 9680, 10252, 12815, 12848, 16060, 17009, 17666, 18640, 20504, 25630, 28193, 32120, 34018, 35332, 41008, 44165, 51260, 56386, 64240, 68036, 70664, 85045, 88330, 102520, 112772, 136072, 140965, 141328, 170090, 176660, 187099, 205040, 225544, 272144, 281930, 340180, 353320, 374198, 451088, 563860, 680360, 706640, 748396, 935495, 1127720, 1360720, 1496792, 1870990, 2058089, 2255440, 2993584, 3741980, 4116178, 7483960, 8232356, 10290445, 14967920, 16464712, 20580890, 32929424, 41161780, 82323560, 164647120]

約数ペア:

[(1, 164647120), (2, 82323560), (4, 41161780), (5, 32929424), (8, 20580890), (10, 16464712), (11, 14967920), (16, 10290445), (20, 8232356), (22, 7483960), (40, 4116178), (44, 3741980), (55, 2993584), (73, 2255440), (80, 2058089), (88, 1870990), (110, 1496792), (121, 1360720), (146, 1127720), (176, 935495), (220, 748396), (233, 706640), (242, 680360), (292, 563860), (365, 451088), (440, 374198), (466, 353320), (484, 340180), (584, 281930), (605, 272144), (730, 225544), (803, 205040), (880, 187099), (932, 176660), (968, 170090), (1165, 141328), (1168, 140965), (1210, 136072), (1460, 112772), (1606, 102520), (1864, 88330), (1936, 85045), (2330, 70664), (2420, 68036), (2563, 64240), (2920, 56386), (3212, 51260), (3728, 44165), (4015, 41008), (4660, 35332), (4840, 34018), (5126, 32120), (5840, 28193), (6424, 25630), (8030, 20504), (8833, 18640), (9320, 17666), (9680, 17009), (10252, 16060), (12815, 12848)]