1531648520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{4787}}^1$

素因数の和:5238

約数の個数: 64

約数和(自身を含む): 3636964800

約数和(自身を除く): 2105316280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 421, 760, 842, 1684, 2105, 3368, 4210, 4787, 7999, 8420, 9574, 15998, 16840, 19148, 23935, 31996, 38296, 39995, 47870, 63992, 79990, 90953, 95740, 159980, 181906, 191480, 319960, 363812, 454765, 727624, 909530, 1819060, 2015327, 3638120, 4030654, 8061308, 10076635, 16122616, 20153270, 38291213, 40306540, 76582426, 80613080, 153164852, 191456065, 306329704, 382912130, 765824260, 1531648520]

約数ペア:

[(1, 1531648520), (2, 765824260), (4, 382912130), (5, 306329704), (8, 191456065), (10, 153164852), (19, 80613080), (20, 76582426), (38, 40306540), (40, 38291213), (76, 20153270), (95, 16122616), (152, 10076635), (190, 8061308), (380, 4030654), (421, 3638120), (760, 2015327), (842, 1819060), (1684, 909530), (2105, 727624), (3368, 454765), (4210, 363812), (4787, 319960), (7999, 191480), (8420, 181906), (9574, 159980), (15998, 95740), (16840, 90953), (19148, 79990), (23935, 63992), (31996, 47870), (38296, 39995)]