764878240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{97561}}^1$

素因数の和:97590

約数の個数: 72

約数和(自身を含む): 2102070852

約数和(自身を除く): 1337192612

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 97561, 195122, 390244, 487805, 682927, 780488, 975610, 1365854, 1560976, 1951220, 2731708, 3121952, 3414635, 3902440, 4780489, 5463416, 6829270, 7804880, 9560978, 10926832, 13658540, 15609760, 19121956, 21853664, 23902445, 27317080, 38243912, 47804890, 54634160, 76487824, 95609780, 109268320, 152975648, 191219560, 382439120, 764878240]

約数ペア:

[(1, 764878240), (2, 382439120), (4, 191219560), (5, 152975648), (7, 109268320), (8, 95609780), (10, 76487824), (14, 54634160), (16, 47804890), (20, 38243912), (28, 27317080), (32, 23902445), (35, 21853664), (40, 19121956), (49, 15609760), (56, 13658540), (70, 10926832), (80, 9560978), (98, 7804880), (112, 6829270), (140, 5463416), (160, 4780489), (196, 3902440), (224, 3414635), (245, 3121952), (280, 2731708), (392, 1951220), (490, 1560976), (560, 1365854), (784, 975610), (980, 780488), (1120, 682927), (1568, 487805), (1960, 390244), (3920, 195122), (7840, 97561)]