72257528

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 161740800

約数和(自身を除く): 89483272

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 107, 124, 214, 217, 248, 389, 428, 434, 749, 778, 856, 868, 1498, 1556, 1736, 2723, 2996, 3112, 3317, 5446, 5992, 6634, 10892, 12059, 13268, 21784, 23219, 24118, 26536, 41623, 46438, 48236, 83246, 84413, 92876, 96472, 166492, 168826, 185752, 291361, 332984, 337652, 582722, 675304, 1165444, 1290313, 2330888, 2580626, 5161252, 9032191, 10322504, 18064382, 36128764, 72257528]

約数ペア:

[(1, 72257528), (2, 36128764), (4, 18064382), (7, 10322504), (8, 9032191), (14, 5161252), (28, 2580626), (31, 2330888), (56, 1290313), (62, 1165444), (107, 675304), (124, 582722), (214, 337652), (217, 332984), (248, 291361), (389, 185752), (428, 168826), (434, 166492), (749, 96472), (778, 92876), (856, 84413), (868, 83246), (1498, 48236), (1556, 46438), (1736, 41623), (2723, 26536), (2996, 24118), (3112, 23219), (3317, 21784), (5446, 13268), (5992, 12059), (6634, 10892)]