80229520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6229}}^1$

素因数の和:6272

約数の個数: 80

約数和(自身を含む): 222485760

約数和(自身を除く): 142256240

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, 6229, 6440, 12458, 12880, 24916, 31145, 43603, 49832, 62290, 87206, 99664, 124580, 143267, 174412, 218015, 249160, 286534, 348824, 436030, 498320, 573068, 697648, 716335, 872060, 1002869, 1146136, 1432670, 1744120, 2005738, 2292272, 2865340, 3488240, 4011476, 5014345, 5730680, 8022952, 10028690, 11461360, 16045904, 20057380, 40114760, 80229520]

約数ペア:

[(1, 80229520), (2, 40114760), (4, 20057380), (5, 16045904), (7, 11461360), (8, 10028690), (10, 8022952), (14, 5730680), (16, 5014345), (20, 4011476), (23, 3488240), (28, 2865340), (35, 2292272), (40, 2005738), (46, 1744120), (56, 1432670), (70, 1146136), (80, 1002869), (92, 872060), (112, 716335), (115, 697648), (140, 573068), (161, 498320), (184, 436030), (230, 348824), (280, 286534), (322, 249160), (368, 218015), (460, 174412), (560, 143267), (644, 124580), (805, 99664), (920, 87206), (1288, 62290), (1610, 49832), (1840, 43603), (2576, 31145), (3220, 24916), (6229, 12880), (6440, 12458)]