72115120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:563

約数の個数: 160

約数和(自身を含む): 218557440

約数和(自身を除く): 146442320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 161, 176, 184, 220, 230, 253, 280, 308, 322, 368, 385, 440, 460, 506, 509, 560, 616, 644, 770, 805, 880, 920, 1012, 1018, 1232, 1265, 1288, 1540, 1610, 1771, 1840, 2024, 2036, 2530, 2545, 2576, 3080, 3220, 3542, 3563, 4048, 4072, 5060, 5090, 5599, 6160, 6440, 7084, 7126, 8144, 8855, 10120, 10180, 11198, 11707, 12880, 14168, 14252, 17710, 17815, 20240, 20360, 22396, 23414, 27995, 28336, 28504, 35420, 35630, 39193, 40720, 44792, 46828, 55990, 57008, 58535, 70840, 71260, 78386, 81949, 89584, 93656, 111980, 117070, 128777, 141680, 142520, 156772, 163898, 187312, 195965, 223960, 234140, 257554, 285040, 313544, 327796, 391930, 409745, 447920, 468280, 515108, 627088, 643885, 655592, 783860, 819490, 901439, 936560, 1030216, 1287770, 1311184, 1567720, 1638980, 1802878, 2060432, 2575540, 3135440, 3277960, 3605756, 4507195, 5151080, 6555920, 7211512, 9014390, 10302160, 14423024, 18028780, 36057560, 72115120]

約数ペア:

[(1, 72115120), (2, 36057560), (4, 18028780), (5, 14423024), (7, 10302160), (8, 9014390), (10, 7211512), (11, 6555920), (14, 5151080), (16, 4507195), (20, 3605756), (22, 3277960), (23, 3135440), (28, 2575540), (35, 2060432), (40, 1802878), (44, 1638980), (46, 1567720), (55, 1311184), (56, 1287770), (70, 1030216), (77, 936560), (80, 901439), (88, 819490), (92, 783860), (110, 655592), (112, 643885), (115, 627088), (140, 515108), (154, 468280), (161, 447920), (176, 409745), (184, 391930), (220, 327796), (230, 313544), (253, 285040), (280, 257554), (308, 234140), (322, 223960), (368, 195965), (385, 187312), (440, 163898), (460, 156772), (506, 142520), (509, 141680), (560, 128777), (616, 117070), (644, 111980), (770, 93656), (805, 89584), (880, 81949), (920, 78386), (1012, 71260), (1018, 70840), (1232, 58535), (1265, 57008), (1288, 55990), (1540, 46828), (1610, 44792), (1771, 40720), (1840, 39193), (2024, 35630), (2036, 35420), (2530, 28504), (2545, 28336), (2576, 27995), (3080, 23414), (3220, 22396), (3542, 20360), (3563, 20240), (4048, 17815), (4072, 17710), (5060, 14252), (5090, 14168), (5599, 12880), (6160, 11707), (6440, 11198), (7084, 10180), (7126, 10120), (8144, 8855)]