1877375920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{145759}}^1$

素因数の和:145802

約数の個数: 80

約数和(自身を含む): 5205381120

約数和(自身を除く): 3328005200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 145759, 291518, 583036, 728795, 1020313, 1166072, 1457590, 2040626, 2332144, 2915180, 3352457, 4081252, 5101565, 5830360, 6704914, 8162504, 10203130, 11660720, 13409828, 16325008, 16762285, 20406260, 23467199, 26819656, 33524570, 40812520, 46934398, 53639312, 67049140, 81625040, 93868796, 117335995, 134098280, 187737592, 234671990, 268196560, 375475184, 469343980, 938687960, 1877375920]

約数ペア:

[(1, 1877375920), (2, 938687960), (4, 469343980), (5, 375475184), (7, 268196560), (8, 234671990), (10, 187737592), (14, 134098280), (16, 117335995), (20, 93868796), (23, 81625040), (28, 67049140), (35, 53639312), (40, 46934398), (46, 40812520), (56, 33524570), (70, 26819656), (80, 23467199), (92, 20406260), (112, 16762285), (115, 16325008), (140, 13409828), (161, 11660720), (184, 10203130), (230, 8162504), (280, 6704914), (322, 5830360), (368, 5101565), (460, 4081252), (560, 3352457), (644, 2915180), (805, 2332144), (920, 2040626), (1288, 1457590), (1610, 1166072), (1840, 1020313), (2576, 728795), (3220, 583036), (6440, 291518), (12880, 145759)]