81114960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2467}}^1$

素因数の和:2620

約数の個数: 80

約数和(自身を含む): 253394496

約数和(自身を除く): 172279536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 1096, 1370, 1644, 2055, 2192, 2467, 2740, 3288, 4110, 4934, 5480, 6576, 7401, 8220, 9868, 10960, 12335, 14802, 16440, 19736, 24670, 29604, 32880, 37005, 39472, 49340, 59208, 74010, 98680, 118416, 148020, 197360, 296040, 337979, 592080, 675958, 1013937, 1351916, 1689895, 2027874, 2703832, 3379790, 4055748, 5069685, 5407664, 6759580, 8111496, 10139370, 13519160, 16222992, 20278740, 27038320, 40557480, 81114960]

約数ペア:

[(1, 81114960), (2, 40557480), (3, 27038320), (4, 20278740), (5, 16222992), (6, 13519160), (8, 10139370), (10, 8111496), (12, 6759580), (15, 5407664), (16, 5069685), (20, 4055748), (24, 3379790), (30, 2703832), (40, 2027874), (48, 1689895), (60, 1351916), (80, 1013937), (120, 675958), (137, 592080), (240, 337979), (274, 296040), (411, 197360), (548, 148020), (685, 118416), (822, 98680), (1096, 74010), (1370, 59208), (1644, 49340), (2055, 39472), (2192, 37005), (2467, 32880), (2740, 29604), (3288, 24670), (4110, 19736), (4934, 16440), (5480, 14802), (6576, 12335), (7401, 10960), (8220, 9868)]