286719680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:626

約数の個数: 112

約数和(自身を含む): 741639360

約数和(自身を除く): 454919680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 157, 160, 208, 260, 314, 320, 416, 439, 520, 628, 785, 832, 878, 1040, 1256, 1570, 1756, 2041, 2080, 2195, 2512, 3140, 3512, 4082, 4160, 4390, 5024, 5707, 6280, 7024, 8164, 8780, 10048, 10205, 11414, 12560, 14048, 16328, 17560, 20410, 22828, 25120, 28096, 28535, 32656, 35120, 40820, 45656, 50240, 57070, 65312, 68923, 70240, 81640, 91312, 114140, 130624, 137846, 140480, 163280, 182624, 228280, 275692, 326560, 344615, 365248, 456560, 551384, 653120, 689230, 895999, 913120, 1102768, 1378460, 1791998, 1826240, 2205536, 2756920, 3583996, 4411072, 4479995, 5513840, 7167992, 8959990, 11027680, 14335984, 17919980, 22055360, 28671968, 35839960, 57343936, 71679920, 143359840, 286719680]

約数ペア:

[(1, 286719680), (2, 143359840), (4, 71679920), (5, 57343936), (8, 35839960), (10, 28671968), (13, 22055360), (16, 17919980), (20, 14335984), (26, 11027680), (32, 8959990), (40, 7167992), (52, 5513840), (64, 4479995), (65, 4411072), (80, 3583996), (104, 2756920), (130, 2205536), (157, 1826240), (160, 1791998), (208, 1378460), (260, 1102768), (314, 913120), (320, 895999), (416, 689230), (439, 653120), (520, 551384), (628, 456560), (785, 365248), (832, 344615), (878, 326560), (1040, 275692), (1256, 228280), (1570, 182624), (1756, 163280), (2041, 140480), (2080, 137846), (2195, 130624), (2512, 114140), (3140, 91312), (3512, 81640), (4082, 70240), (4160, 68923), (4390, 65312), (5024, 57070), (5707, 50240), (6280, 45656), (7024, 40820), (8164, 35120), (8780, 32656), (10048, 28535), (10205, 28096), (11414, 25120), (12560, 22828), (14048, 20410), (16328, 17560)]