68151440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{929}}^1$

素因数の和:1080

約数の個数: 80

約数和(自身を含む): 182666880

約数和(自身を除く): 114515440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 929, 1048, 1310, 1834, 1858, 2096, 2620, 3668, 3716, 4585, 4645, 5240, 6503, 7336, 7432, 9170, 9290, 10480, 13006, 14672, 14864, 18340, 18580, 26012, 32515, 36680, 37160, 52024, 65030, 73360, 74320, 104048, 121699, 130060, 243398, 260120, 486796, 520240, 608495, 851893, 973592, 1216990, 1703786, 1947184, 2433980, 3407572, 4259465, 4867960, 6815144, 8518930, 9735920, 13630288, 17037860, 34075720, 68151440]

約数ペア:

[(1, 68151440), (2, 34075720), (4, 17037860), (5, 13630288), (7, 9735920), (8, 8518930), (10, 6815144), (14, 4867960), (16, 4259465), (20, 3407572), (28, 2433980), (35, 1947184), (40, 1703786), (56, 1216990), (70, 973592), (80, 851893), (112, 608495), (131, 520240), (140, 486796), (262, 260120), (280, 243398), (524, 130060), (560, 121699), (655, 104048), (917, 74320), (929, 73360), (1048, 65030), (1310, 52024), (1834, 37160), (1858, 36680), (2096, 32515), (2620, 26012), (3668, 18580), (3716, 18340), (4585, 14864), (4645, 14672), (5240, 13006), (6503, 10480), (7336, 9290), (7432, 9170)]