243335120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 160

約数和(自身を含む): 678813696

約数和(自身を除く): 435478576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 107, 112, 124, 131, 140, 155, 214, 217, 248, 262, 280, 310, 428, 434, 496, 524, 535, 560, 620, 655, 749, 856, 868, 917, 1048, 1070, 1085, 1240, 1310, 1498, 1712, 1736, 1834, 2096, 2140, 2170, 2480, 2620, 2996, 3317, 3472, 3668, 3745, 4061, 4280, 4340, 4585, 5240, 5992, 6634, 7336, 7490, 8122, 8560, 8680, 9170, 10480, 11984, 13268, 14017, 14672, 14980, 16244, 16585, 17360, 18340, 20305, 23219, 26536, 28034, 28427, 29960, 32488, 33170, 36680, 40610, 46438, 53072, 56068, 56854, 59920, 64976, 66340, 70085, 73360, 81220, 92876, 98119, 112136, 113708, 116095, 132680, 140170, 142135, 162440, 185752, 196238, 224272, 227416, 232190, 265360, 280340, 284270, 324880, 371504, 392476, 434527, 454832, 464380, 490595, 560680, 568540, 784952, 869054, 928760, 981190, 1121360, 1137080, 1569904, 1738108, 1857520, 1962380, 2172635, 2274160, 3041689, 3476216, 3924760, 4345270, 6083378, 6952432, 7849520, 8690540, 12166756, 15208445, 17381080, 24333512, 30416890, 34762160, 48667024, 60833780, 121667560, 243335120]

約数ペア:

[(1, 243335120), (2, 121667560), (4, 60833780), (5, 48667024), (7, 34762160), (8, 30416890), (10, 24333512), (14, 17381080), (16, 15208445), (20, 12166756), (28, 8690540), (31, 7849520), (35, 6952432), (40, 6083378), (56, 4345270), (62, 3924760), (70, 3476216), (80, 3041689), (107, 2274160), (112, 2172635), (124, 1962380), (131, 1857520), (140, 1738108), (155, 1569904), (214, 1137080), (217, 1121360), (248, 981190), (262, 928760), (280, 869054), (310, 784952), (428, 568540), (434, 560680), (496, 490595), (524, 464380), (535, 454832), (560, 434527), (620, 392476), (655, 371504), (749, 324880), (856, 284270), (868, 280340), (917, 265360), (1048, 232190), (1070, 227416), (1085, 224272), (1240, 196238), (1310, 185752), (1498, 162440), (1712, 142135), (1736, 140170), (1834, 132680), (2096, 116095), (2140, 113708), (2170, 112136), (2480, 98119), (2620, 92876), (2996, 81220), (3317, 73360), (3472, 70085), (3668, 66340), (3745, 64976), (4061, 59920), (4280, 56854), (4340, 56068), (4585, 53072), (5240, 46438), (5992, 40610), (6634, 36680), (7336, 33170), (7490, 32488), (8122, 29960), (8560, 28427), (8680, 28034), (9170, 26536), (10480, 23219), (11984, 20305), (13268, 18340), (14017, 17360), (14672, 16585), (14980, 16244)]