664729520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{91309}}^1$

素因数の和:91342

約数の個数: 80

約数和(自身を含む): 1902169920

約数和(自身を除く): 1237440400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 91309, 182618, 365236, 456545, 639163, 730472, 913090, 1187017, 1278326, 1460944, 1826180, 2374034, 2556652, 3195815, 3652360, 4748068, 5113304, 5935085, 6391630, 7304720, 8309119, 9496136, 10226608, 11870170, 12783260, 16618238, 18992272, 23740340, 25566520, 33236476, 41545595, 47480680, 51133040, 66472952, 83091190, 94961360, 132945904, 166182380, 332364760, 664729520]

約数ペア:

[(1, 664729520), (2, 332364760), (4, 166182380), (5, 132945904), (7, 94961360), (8, 83091190), (10, 66472952), (13, 51133040), (14, 47480680), (16, 41545595), (20, 33236476), (26, 25566520), (28, 23740340), (35, 18992272), (40, 16618238), (52, 12783260), (56, 11870170), (65, 10226608), (70, 9496136), (80, 8309119), (91, 7304720), (104, 6391630), (112, 5935085), (130, 5113304), (140, 4748068), (182, 3652360), (208, 3195815), (260, 2556652), (280, 2374034), (364, 1826180), (455, 1460944), (520, 1278326), (560, 1187017), (728, 913090), (910, 730472), (1040, 639163), (1456, 456545), (1820, 365236), (3640, 182618), (7280, 91309)]