143141440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1860

約数の個数: 112

約数和(自身を含む): 386608320

約数和(自身を除く): 243466880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 1040, 1216, 1235, 1520, 1811, 1976, 2080, 2470, 3040, 3622, 3952, 4160, 4940, 6080, 7244, 7904, 9055, 9880, 14488, 15808, 18110, 19760, 23543, 28976, 34409, 36220, 39520, 47086, 57952, 68818, 72440, 79040, 94172, 115904, 117715, 137636, 144880, 172045, 188344, 235430, 275272, 289760, 344090, 376688, 447317, 470860, 550544, 579520, 688180, 753376, 894634, 941720, 1101088, 1376360, 1506752, 1789268, 1883440, 2202176, 2236585, 2752720, 3578536, 3766880, 4473170, 5505440, 7157072, 7533760, 8946340, 11010880, 14314144, 17892680, 28628288, 35785360, 71570720, 143141440]

約数ペア:

[(1, 143141440), (2, 71570720), (4, 35785360), (5, 28628288), (8, 17892680), (10, 14314144), (13, 11010880), (16, 8946340), (19, 7533760), (20, 7157072), (26, 5505440), (32, 4473170), (38, 3766880), (40, 3578536), (52, 2752720), (64, 2236585), (65, 2202176), (76, 1883440), (80, 1789268), (95, 1506752), (104, 1376360), (130, 1101088), (152, 941720), (160, 894634), (190, 753376), (208, 688180), (247, 579520), (260, 550544), (304, 470860), (320, 447317), (380, 376688), (416, 344090), (494, 289760), (520, 275272), (608, 235430), (760, 188344), (832, 172045), (988, 144880), (1040, 137636), (1216, 117715), (1235, 115904), (1520, 94172), (1811, 79040), (1976, 72440), (2080, 68818), (2470, 57952), (3040, 47086), (3622, 39520), (3952, 36220), (4160, 34409), (4940, 28976), (6080, 23543), (7244, 19760), (7904, 18110), (9055, 15808), (9880, 14488)]