628740

素因数分解:

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

素因数の和:521

約数の個数: 72

約数和(自身を含む): 2184000

約数和(自身を除く): 1555260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 499, 630, 998, 1260, 1497, 1996, 2495, 2994, 3493, 4491, 4990, 5988, 6986, 7485, 8982, 9980, 10479, 13972, 14970, 17465, 17964, 20958, 22455, 29940, 31437, 34930, 41916, 44910, 52395, 62874, 69860, 89820, 104790, 125748, 157185, 209580, 314370, 628740]

約数ペア:

[(1, 628740), (2, 314370), (3, 209580), (4, 157185), (5, 125748), (6, 104790), (7, 89820), (9, 69860), (10, 62874), (12, 52395), (14, 44910), (15, 41916), (18, 34930), (20, 31437), (21, 29940), (28, 22455), (30, 20958), (35, 17964), (36, 17465), (42, 14970), (45, 13972), (60, 10479), (63, 9980), (70, 8982), (84, 7485), (90, 6986), (105, 5988), (126, 4990), (140, 4491), (180, 3493), (210, 2994), (252, 2495), (315, 1996), (420, 1497), (499, 1260), (630, 998)]