128785160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 351959040

約数和(自身を除く): 223173880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 140, 148, 155, 185, 217, 248, 259, 280, 296, 310, 370, 401, 434, 518, 620, 740, 802, 868, 1036, 1085, 1147, 1240, 1295, 1480, 1604, 1736, 2005, 2072, 2170, 2294, 2590, 2807, 3208, 4010, 4340, 4588, 5180, 5614, 5735, 8020, 8029, 8680, 9176, 10360, 11228, 11470, 12431, 14035, 14837, 16040, 16058, 22456, 22940, 24862, 28070, 29674, 32116, 40145, 45880, 49724, 56140, 59348, 62155, 64232, 74185, 80290, 87017, 99448, 103859, 112280, 118696, 124310, 148370, 160580, 174034, 207718, 248620, 296740, 321160, 348068, 415436, 435085, 459947, 497240, 519295, 593480, 696136, 830872, 870170, 919894, 1038590, 1740340, 1839788, 2077180, 2299735, 3219629, 3480680, 3679576, 4154360, 4599470, 6439258, 9198940, 12878516, 16098145, 18397880, 25757032, 32196290, 64392580, 128785160]

約数ペア:

[(1, 128785160), (2, 64392580), (4, 32196290), (5, 25757032), (7, 18397880), (8, 16098145), (10, 12878516), (14, 9198940), (20, 6439258), (28, 4599470), (31, 4154360), (35, 3679576), (37, 3480680), (40, 3219629), (56, 2299735), (62, 2077180), (70, 1839788), (74, 1740340), (124, 1038590), (140, 919894), (148, 870170), (155, 830872), (185, 696136), (217, 593480), (248, 519295), (259, 497240), (280, 459947), (296, 435085), (310, 415436), (370, 348068), (401, 321160), (434, 296740), (518, 248620), (620, 207718), (740, 174034), (802, 160580), (868, 148370), (1036, 124310), (1085, 118696), (1147, 112280), (1240, 103859), (1295, 99448), (1480, 87017), (1604, 80290), (1736, 74185), (2005, 64232), (2072, 62155), (2170, 59348), (2294, 56140), (2590, 49724), (2807, 45880), (3208, 40145), (4010, 32116), (4340, 29674), (4588, 28070), (5180, 24862), (5614, 22940), (5735, 22456), (8020, 16058), (8029, 16040), (8680, 14837), (9176, 14035), (10360, 12431), (11228, 11470)]