1257480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{499}}^1$

素因数の和:523

約数の個数: 96

約数和(自身を含む): 4680000

約数和(自身を除く): 3422520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 499, 504, 630, 840, 998, 1260, 1497, 1996, 2495, 2520, 2994, 3493, 3992, 4491, 4990, 5988, 6986, 7485, 8982, 9980, 10479, 11976, 13972, 14970, 17465, 17964, 19960, 20958, 22455, 27944, 29940, 31437, 34930, 35928, 41916, 44910, 52395, 59880, 62874, 69860, 83832, 89820, 104790, 125748, 139720, 157185, 179640, 209580, 251496, 314370, 419160, 628740, 1257480]

約数ペア:

[(1, 1257480), (2, 628740), (3, 419160), (4, 314370), (5, 251496), (6, 209580), (7, 179640), (8, 157185), (9, 139720), (10, 125748), (12, 104790), (14, 89820), (15, 83832), (18, 69860), (20, 62874), (21, 59880), (24, 52395), (28, 44910), (30, 41916), (35, 35928), (36, 34930), (40, 31437), (42, 29940), (45, 27944), (56, 22455), (60, 20958), (63, 19960), (70, 17964), (72, 17465), (84, 14970), (90, 13972), (105, 11976), (120, 10479), (126, 9980), (140, 8982), (168, 7485), (180, 6986), (210, 5988), (252, 4990), (280, 4491), (315, 3992), (360, 3493), (420, 2994), (499, 2520), (504, 2495), (630, 1996), (840, 1497), (998, 1260)]